{"title":"Upper Receivers\/Conv Kits","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eShop AR-15 upper receivers, conversion kits \u0026amp; build components from top brands. Upgrade your rifle right. Free shipping over $100.\u003c\/p\u003e","products":[{"product_id":"cmmg-uppr-rslt-mk4-6mm-arc-16-1-blk","title":"CMMG Resolute MK4 6mm ARC Upper Receiver Assembly 16.1\" – AR-15 Platform","description":"\u003cp\u003eThe CMMG Resolute MK4 6mm ARC upper receiver assembly delivers 6mm ARC chambering in a 16.1\" barrel configuration, designed for AR-15 platform lowers. This upper provides extended effective range and flatter trajectories compared to traditional 5.56 NATO, while maintaining compatibility with standard AR-15 lower receivers. The 6mm ARC chambering offers excellent ballistic performance for precision shooting and hunting at extended distances.\u003c\/p\u003e\u003cp\u003eBuilt with CMMG's MK4 design, this upper features a medium-taper 4140 chrome moly steel barrel with salt bath nitride finish for corrosion resistance and barrel life. The free-float handguard provides a rigid mounting platform for accessories and optics. Compatible with standard AR-15 BCG and charging handle (typically included with complete upper assemblies—verify contents). Installation requires basic AR-15 assembly knowledge and appropriate headspacing verification.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 6mm ARC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Receiver Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 \/ MULTI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16.1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4140 Chrome Moly Steel Barrel, 7075-T6 Aluminum Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Salt Bath Nitride Barrel, Type III Hardcoat Anodized Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver assembly with barrel and handguard (verify complete contents with manufacturer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Fits standard AR-15 lower receivers, requires compatible BCG and charging handle\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CMMG","offers":[{"title":"Default Title","offer_id":47934702584063,"sku":"CMMG60B1091-AB","price":949.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2860161.jpg?v=1766477024"},{"product_id":"colt-epr-upper-5-56-16-mlok-blk","title":"Colt EPR Upper 5.56 NATO 16\" M-LOK Black – AR-15 Compatible","description":"\u003cp\u003eThe Colt EPR (Enhanced Patrol Rifle) Upper Receiver chambered in 5.56 NATO is a complete drop-in assembly for mil-spec AR-15 lower receivers. This 16-inch configuration features an M-LOK handguard for direct accessory mounting without additional rail sections, combining Colt's factory precision with modern modularity for patrol, competition, or general-purpose use.\u003c\/p\u003e\u003cp\u003eConstructed from 7075-T6 aluminum with a black anodized finish, this upper includes a chrome-lined barrel with a 1:7 twist rate optimized for stabilizing heavier projectiles. The flat-top receiver accepts any mil-spec charging handle and provides a full-length Picatinny rail for optics mounting. Installation requires only standard AR-15 takedown pins—no gunsmithing needed. This is a complete upper assembly ready to mate with your AR-15 lower receiver.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum receiver, chrome-lined barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver, barrel, M-LOK handguard, gas system, bolt carrier group (verify with manufacturer)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in assembly, requires mil-spec AR-15 lower receiver and takedown pins\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Colt's Manufacturing","offers":[{"title":"Default Title","offer_id":47935794479359,"sku":"CTLE6920EPR-CK","price":1049.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1261787.jpg?v=1766482121"},{"product_id":"colt-m4-upper-blk","title":"Colt M4 Upper Receiver Black – 5.56 NATO AR-15 Platform","description":"\u003cp\u003eThe Colt M4 Upper Receiver is a factory-produced 5.56 NATO upper assembly designed for AR-15 platform lowers. This complete upper features Colt's proven M4 configuration with a 16-inch chrome-lined barrel, carbine-length gas system, and standard M4 feed ramps. Built to military specifications, it delivers the reliability Colt is known for in a civilian-legal configuration.\u003c\/p\u003e\u003cp\u003eThe upper is manufactured from 7075-T6 aluminum with a black anodized finish. It includes the barrel, front sight assembly, handguards, charging handle, and bolt carrier group. The flattop receiver accepts standard Picatinny rail-mounted optics and rear sights. Installation requires only basic armorer tools and fits mil-spec AR-15 lower receivers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Barrel, front sight, handguards, charging handle, bolt carrier group\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drops onto mil-spec lower, requires takedown pin alignment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Colt's Manufacturing","offers":[{"title":"Default Title","offer_id":47935927484671,"sku":"CTSP63528","price":163.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1261930.jpg?v=1766482248"},{"product_id":"dd-m4a1-fsp-upr-rcvr-14-5-pw-556-fde","title":"Daniel Defense M4A1 FSP Upper Receiver 14.5\" Pinned\/Welded 5.56 NATO – AR-15 Lower (FDE)","description":"\u003cp\u003eThe Daniel Defense M4A1 FSP Upper Receiver delivers a 14.5-inch cold hammer-forged barrel in 5.56 NATO with a permanently attached muzzle device to meet the 16-inch legal requirement. This configuration features a fixed front sight post (FSP) and mil-spec profile, designed to drop onto any mil-spec AR-15 lower receiver. Flat Dark Earth Cerakote finish.\u003c\/p\u003e\u003cp\u003eUpper receiver and barrel extension are CNC-machined from 7075-T6 aluminum with M4 feed ramps. The barrel is chrome-lined with a 1:7 twist rate and M4 profile contour under a mid-length gas system. Comes with BCG, charging handle, and Daniel Defense furniture. No gunsmithing required for installation on a standard AR-15 lower.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 14.5 inches (pinned\/welded to 16\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum receiver, cold hammer-forged barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Flat Dark Earth Cerakote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e BCG, charging handle, handguard, fixed front sight post\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in to mil-spec AR-15 lower, no gunsmithing needed\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daniel Defense","offers":[{"title":"Default Title","offer_id":47937243709695,"sku":"DD23-004-09376","price":1613.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2913825.jpg?v=1766483659"},{"product_id":"dd-m4a1-upper-urg-14-5pb-556-fde","title":"Daniel Defense M4A1 Complete Upper Receiver 5.56 NATO 14.5\" Pinned\/Welded FDE","description":"\u003cp\u003eThe Daniel Defense M4A1 Upper Receiver delivers a factory-assembled 5.56 NATO configuration with a 14.5-inch cold hammer-forged barrel, pinned and welded muzzle device to meet the 16-inch legal requirement. Finished in Mil-Spec+ Cerakote FDE, this upper drops onto any mil-spec AR-15 lower receiver. The M4A1 profile barrel features a 1:7 twist rate optimized for 62-77 grain projectiles and a carbine-length gas system for reliable function with standard and suppressed fire.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum with a Type III hard-coat anodized upper receiver and Daniel Defense's proprietary Cerakote finish on external components. Upper includes a pinned low-profile gas block, Daniel Defense bolt carrier group, charging handle, and RIS II M-LOK handguard. No sights included. Installation requires only standard AR-15 lower receiver pins—no gunsmithing needed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Receiver Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-Spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 14.5\" (pinned\/welded to 16\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 Aluminum Upper, Cold Hammer-Forged Barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Mil-Spec+ FDE Cerakote\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e BCG, Charging Handle, RIS II M-LOK Handguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in, No Gunsmithing Required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daniel Defense","offers":[{"title":"Default Title","offer_id":47937253245183,"sku":"DD23-004-13150","price":1621.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1251219.jpg?v=1766483668"},{"product_id":"dd-m4v7-upper-556-16-mlok-blk","title":"Daniel Defense M4V7 Upper Receiver 5.56 NATO 16\" M-LOK – AR-15 Platform","description":"\u003cp\u003eThe Daniel Defense M4V7 upper receiver assembly delivers a complete 5.56 NATO upper in a 16-inch configuration, designed for direct installation on mil-spec AR-15 lower receivers. This upper features a mid-length gas system for reduced recoil and improved reliability, paired with Daniel Defense's M-LOK compatible handguard for modular accessory mounting. The cold hammer-forged, chrome-lined barrel provides extended service life and maintains accuracy across thousands of rounds.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum with a mil-spec Type III hard coat anodized finish in black, this upper includes an assembled bolt carrier group and charging handle. The M4 feed ramp extension ensures reliable feeding with a wide range of ammunition. The continuous top rail allows for co-witnessed optic mounting. No gunsmithing required—installs on any mil-spec AR-15 lower receiver with standard takedown pins.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15 platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Mid-length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum upper, cold hammer-forged barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hard coat anodized black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard:\u003c\/strong\u003e M-LOK compatible, free-floating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier group, charging handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in fit for mil-spec AR-15 lowers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daniel Defense","offers":[{"title":"Default Title","offer_id":47937281655039,"sku":"DD23-128-02339-047","price":1294.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1251237.jpg?v=1766483696"},{"product_id":"dd-m4v7-lw-upper-556-16-mlok-blk","title":"Daniel Defense M4V7 LW Upper Receiver 5.56 NATO 16\" M-LOK – Complete AR-15 Upper","description":"\u003cp\u003eThe Daniel Defense M4V7 LW is a complete upper receiver assembly chambered in 5.56 NATO, featuring a 16-inch lightweight profile barrel and compatible with mil-spec AR-15 lower receivers. This configuration balances maneuverability with effective range, built around Daniel Defense's proven cold hammer-forged barrel and free-floating M-LOK handguard for accessories mounting without added weight on the barrel.\u003c\/p\u003e\u003cp\u003eThe upper receiver is machined from 7075-T6 aluminum with a Type III hard-coat anodized finish in black. This assembly includes the bolt carrier group and charging handle, making it ready to mate with your AR-15 lower. The M4V7 LW handguard provides M-LOK slots at 3, 6, and 9 o'clock positions while maintaining a slim profile. Installation requires no gunsmithing—simply attach to a mil-spec lower receiver and verify headspace as with any upper\/lower combination.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Receiver Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum (receiver), cold hammer-forged steel (barrel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hard-coat anodized, black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier group, charging handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Attaches to mil-spec AR-15 lower, no gunsmithing required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Daniel Defense","offers":[{"title":"Default Title","offer_id":47937294336255,"sku":"DD23-128-02932-047","price":1294.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1251241.jpg?v=1766483721"},{"product_id":"bad-16-uppr-auth-elite-556-ambi-blk","title":"Battle Arms Development Authority Elite 5.56 NATO Upper Receiver – Ambidextrous, AR-15 Compatible","description":"\u003cp\u003eThe Battle Arms Development Authority Elite upper receiver is a forged 7075-T6 aluminum upper chambered for 5.56 NATO, designed for standard AR-15 lower receivers. This ambidextrous configuration features a forward assist on both sides, accommodating right- and left-handed shooters without compromise. The upper is machined with M4 feed ramps and a mil-spec ejection port for reliable function with standard bolts and magazines.\u003c\/p\u003e\u003cp\u003eFinished in hard-anodized black Type III coating for corrosion and wear resistance. The upper receiver ships as a stripped unit—no barrel, handguard, or bolt carrier group included. Installation requires standard AR-15 upper assembly tools and knowledge of proper headspacing procedures. Compatible with mil-spec charging handles and standard upper receiver components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stripped upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 \/ mil-spec lower receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard-anodized Type III black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Ambidextrous forward assist, M4 feed ramps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver only (no barrel, BCG, or handguard)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires upper assembly tools and proper headspacing verification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Battle Arms Development","offers":[{"title":"Default Title","offer_id":47937298530559,"sku":"BAD-AUTH-UR16B-Y-15","price":865.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2940783.jpg?v=1766484010"},{"product_id":"bad-16-uppr-auth-elite-556ambi-c-blk","title":"Battle Arms Development AUTHORITY Elite 16\" Upper Receiver Assembly 5.56 NATO – Mil-Spec AR-15","description":"\u003cp\u003eThe Battle Arms Development AUTHORITY Elite 16\" upper receiver assembly is a complete 5.56 NATO configuration designed for mil-spec AR-15 lower receivers. This carbine-length system features ambidextrous controls and a mid-length gas system for reliable cycling with reduced recoil impulse. The 16\" barrel provides effective ballistics while maintaining maneuverability for home defense, duty, or recreational shooting applications.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum with a black hardcoat anodized finish, this upper includes a fully assembled bolt carrier group, charging handle with ambidextrous operation, and a 15\" free-float handguard with M-LOK attachment points. The upper receiver is pre-assembled and headspaced at the factory—installation requires only attaching to a compatible mil-spec lower receiver using standard takedown pins. No gunsmithing required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black hardcoat anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier group, ambidextrous charging handle, 15\" M-LOK handguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in to mil-spec AR-15 lower, no gunsmithing required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Battle Arms Development","offers":[{"title":"Default Title","offer_id":47937298989311,"sku":"BAD-AUTH-UR16B-Y-15C","price":865.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2945803.jpg?v=1766484044"},{"product_id":"bad-xiphos-9mm-stpd-upper-receiver","title":"Battle Arms Development XIPHOS 9mm Stripped Upper Receiver – AR-15 Compatible","description":"\u003cp\u003eThe Battle Arms Development XIPHOS 9mm stripped upper receiver is a dedicated PCC upper designed for 9mm builds on standard AR-15 lower receivers. This upper features a modified ejection port geometry optimized for 9mm cartridge dimensions and PCC bolt carrier groups. Unlike standard mil-spec uppers, the XIPHOS provides proper ejection angles and clearances for pistol-caliber carbine configurations.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum with a Type III hard-coat anodized finish for corrosion resistance. This is a stripped upper receiver only—barrel, bolt carrier group, charging handle, and handguard sold separately. Requires a 9mm-compatible bolt carrier group and barrel assembly. Standard AR-15 charging handle compatibility. 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Built around a 16-inch barrel chambered in 5.56 NATO, this complete upper requires only the addition of a bolt carrier group and charging handle to function. The mil-spec profile and carbine-length gas system provide reliable cycling with standard ammunition.\u003c\/p\u003e\u003cp\u003eThis upper features a forged aluminum receiver with Type III hard anodized black finish for corrosion resistance. The free-float handguard allows mounting of accessories via M-LOK slots while maintaining zero shift under use. Ships as a complete assembly with barrel, gas system, muzzle device, and handguard installed. Installation requires standard AR-15 tools and basic armorer knowledge—upper attaches to any mil-spec AR-15 lower receiver via takedown pins.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Assembly (No BCG\/Charging Handle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15 pattern receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged aluminum receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hard anodized black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver, barrel, gas system, muzzle device, handguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires BCG and charging handle (sold separately); attaches via standard takedown pins\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Battle Arms Development","offers":[{"title":"Default Title","offer_id":47937309737215,"sku":"BAD-WH-UR-16-556","price":524.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2855905.jpg?v=1766485270"},{"product_id":"bad-16-uppr-wrkhorse-556-ambi-blk","title":"Battle Arms Development Workhorse 5.56 NATO Upper Receiver – 16\" Ambidextrous, AR-15 Platform","description":"\u003cp\u003eThe Battle Arms Development Workhorse upper receiver assembly delivers a complete 5.56 NATO solution for standard AR-15 lowers. This 16-inch configuration includes an ambidextrous charging handle for left- and right-handed shooters, making it practical for training environments or mixed-hand preference households.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum with a black anodized finish, this upper comes as a ready-to-install assembly. The 16-inch barrel meets federal length requirements without NFA restrictions. Installation requires standard AR-15 armorer's tools and follows mil-spec takedown pin spacing. Verify headspace and function before live fire.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Receiver Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 \/ Mil-Spec\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Ambidextrous Charging Handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Headspace Check, Standard Armorer's Tools\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Battle Arms Development","offers":[{"title":"Default Title","offer_id":47937309999359,"sku":"BAD-WH-UR16B-Y-15","price":724.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2940511.jpg?v=1766485395"},{"product_id":"bad-16-uppr-wrkhorse-556-ambi-c-blk","title":"Battle Arms Development Workhorse 5.56 NATO 16\" Complete Upper Receiver – AR-15 Platform","description":"\u003cp\u003eThe Battle Arms Development Workhorse is a complete 5.56 NATO upper receiver assembly designed for mil-spec AR-15 lower receivers. This 16-inch configuration delivers reliable performance for tactical applications, competition, or general-purpose use. The upper features BAD's ambidextrous charging handle for seamless left- or right-handed operation.\u003c\/p\u003e\u003cp\u003eConstructed from 7075-T6 aluminum with a black hardcoat anodized finish for corrosion resistance. The complete assembly includes upper receiver, barrel, handguard, charging handle, and bolt carrier group—ready to install on any mil-spec AR-15 lower. Installation requires standard AR-15 assembly tools and basic armorer knowledge. Headspace is factory-verified.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Receiver Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black hardcoat anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver, barrel, handguard, ambidextrous charging handle, bolt carrier group\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires standard AR-15 tools; basic armorer experience recommended\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Battle Arms Development","offers":[{"title":"Default Title","offer_id":47937310097663,"sku":"BAD-WH-UR16B-Y-15C","price":724.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2940512.jpg?v=1766485352"},{"product_id":"ballistic-ba-ar-15-uppr-rcvr","title":"Ballistic Advantage BA AR-15 Upper Receiver – Mil-Spec Forged","description":"\u003cp\u003eThe Ballistic Advantage AR-15 upper receiver is a mil-spec forged component designed to fit any standard AR-15 lower receiver. This stripped upper provides a solid foundation for custom rifle builds in 5.56 NATO, .223 Wylde, 300 BLK, or other AR-15 chamberings. The M4 feed ramp cuts ensure reliable feeding across a wide range of ammunition types.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum and finished with a durable black anodized coating, this upper receiver includes the ejection port cover and forward assist assembly. The flattop Picatinny rail accepts standard optics mounts and backup iron sights. Installation requires basic armorer-level tools and familiarity with AR-15 assembly procedures.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15 lower receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum forging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed Ramps:\u003c\/strong\u003e M4 cuts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Ejection port cover assembly, forward assist assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires armorer-level assembly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ballistic Advantage","offers":[{"title":"Default Title","offer_id":47937320911103,"sku":"BAPA100049","price":124.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2856107.jpg?v=1766485945"},{"product_id":"ballistic-ba-enhcd-ar-15-uppr-rcvr","title":"Ballistic Advantage Enhanced AR-15 Upper Receiver – Mil-Spec Forged 7075-T6","description":"\u003cp\u003eThe Ballistic Advantage Enhanced AR-15 Upper Receiver is a mil-spec forged upper designed for AR-15 pattern rifles chambered in .223 Wylde, 5.56 NATO, .300 Blackout, and other compatible calibers. This stripped upper accepts standard AR-15 barrel nuts, handguards, and charging handles, making it compatible with most aftermarket components. The enhanced design features M4 feed ramps for reliable feeding across a range of ammunition types.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum forgings and finished with a durable black anodized Type III hard coat, this upper provides a solid foundation for custom builds. Includes ejection port cover assembly and forward assist installed. Upper receiver only—barrel, handguard, bolt carrier group, and charging handle sold separately. Installation requires standard AR-15 armorer tools and knowledge of proper headspace verification.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stripped Upper Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-Spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 Aluminum Forging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Anodized Type III Hard Coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed Ramps:\u003c\/strong\u003e M4 Enhanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Ejection Port Cover Assembly, Forward Assist\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Armorer Tools and Headspace Verification\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ballistic Advantage","offers":[{"title":"Default Title","offer_id":47937325334783,"sku":"BAPA100084","price":159.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2856116.jpg?v=1766486029"},{"product_id":"ballistic-ba10-uppr-rcvr","title":"Ballistic Advantage BA10 Upper Receiver – .308\/7.62 AR-10 DPMS High Profile","description":"\u003cp\u003eThe Ballistic Advantage BA10 Upper Receiver is a forged 7075-T6 aluminum upper designed for .308 Winchester and 7.62 NATO AR-10 builds. This is a DPMS high profile upper receiver, compatible with DPMS pattern AR-10 lowers and high profile handguards. The flat top design features a full-length Picatinny rail for optics mounting and accepts standard AR-10 charging handles and bolt carrier groups.\u003c\/p\u003e\u003cp\u003eForged from 7075-T6 aluminum and finished with a hard coat anodized Type III coating for durability and corrosion resistance. The upper receiver is precision machined with proper tolerances for reliable feeding and ejection. Stripped configuration – requires barrel, handguard, bolt carrier group, and charging handle to complete. Installation requires standard AR-10 armorer tools and knowledge of the AR platform.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .308 Winchester \/ 7.62 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stripped upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e DPMS pattern AR-10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e DPMS high profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard coat anodized Type III\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver only (stripped)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires AR-10 armorer tools and additional components\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ballistic Advantage","offers":[{"title":"Default Title","offer_id":47937327759615,"sku":"BAPA100091","price":194.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2856121.jpg?v=1766486054"},{"product_id":"bootleg-billet-ar-15-upper-rec-assmb","title":"Bootleg Billet AR-15 Upper Receiver Assembly – Mil-Spec Compatible","description":"\u003cp\u003eThe Bootleg Billet AR-15 Upper Receiver Assembly is a precision-machined upper designed for standard mil-spec AR-15 lower receivers. This billet upper provides a solid foundation for custom builds in 5.56 NATO, .223 Wylde, or other AR-15 chamberings. The upper features a flat-top Picatinny rail for optics mounting and accepts standard AR-15 barrel assemblies and bolt carrier groups.\u003c\/p\u003e\u003cp\u003eMachined from 7075-T6 aluminum billet, this upper offers enhanced rigidity compared to forged alternatives. The Type III hard anodized finish provides corrosion resistance and durability. This is a stripped upper receiver assembly, requiring separate barrel, bolt carrier group, charging handle, and handguard components. 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This is a complete upper receiver assembly ready to accept your choice of barrel, handguard, and bolt carrier group. The flat-top configuration provides a full-length Picatinny rail for optics mounting with maximum flexibility in eye relief and sight placement.\u003c\/p\u003e\u003cp\u003eConstructed from 7075-T6 aluminum with a Type III hard coat anodized finish in black. The MUR-2 features a M4 feed ramp profile for reliable feeding with modern ammunition and magazines. Includes ejection port cover and forward assist assembly installed. Requires separate bolt carrier group, barrel assembly, and handguard to complete. Compatible with standard AR-15 lower receivers. 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This upper is designed to drop onto any mil-spec AR-15 lower receiver, converting your platform to handle the hard-hitting .458 SOCOM cartridge for close-range hunting or defensive applications. The 16-inch barrel keeps the overall length manageable while maintaining the velocity needed for effective terminal performance within typical .458 SOCOM engagement ranges.\u003c\/p\u003e\u003cp\u003eConstructed from forged 7075-T6 aluminum with Black Rain Ordnance's proprietary black finish, this upper features a full-length rail system for mounting optics and accessories. The upper comes fully assembled and ready to install—no additional parts or modifications required to mate with your AR-15 lower. Standard AR-15 BCG compatibility simplifies maintenance and parts availability. Verify your lower receiver and magazine are compatible with .458 SOCOM before installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .458 SOCOM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Rain Ordnance black finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Fully assembled upper with rail system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in fit for mil-spec AR-15 lowers, requires .458 SOCOM compatible magazines and bolt\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Black Rain Ordnance","offers":[{"title":"Default Title","offer_id":47937387593983,"sku":"BRO-SPEC15-CU-458S","price":990.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1267924.jpg?v=1766488377"},{"product_id":"fn-scar-nrch-cnvrsn-for-scar-17s-20s","title":"FN America SCAR NRCH Conversion Kit for SCAR 17S\/20S","description":"\u003cp\u003eThe FN SCAR NRCH (Non-Reciprocating Charging Handle) Conversion Kit upgrades FN SCAR 17S and 20S rifles with a side-mounted, non-reciprocating charging handle system. This factory FN America conversion eliminates the reciprocating charging handle motion during firing, reducing potential interference with optics and providing a cleaner shooting experience for precision applications.\u003c\/p\u003e\u003cp\u003eThe kit includes all components necessary for installation on SCAR 17S and 20S platforms. Installation requires disassembly of the upper receiver and replacement of the factory charging handle assembly. Manufactured to FN's military specifications with corrosion-resistant finish. Retains full ambidextrous operation. Note: This conversion is permanent and replaces the original reciprocating charging handle system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Platforms:\u003c\/strong\u003e FN SCAR 17S, FN SCAR 20S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Non-Reciprocating Charging Handle Conversion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Ambidextrous, side-mounted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\/aluminum (per FN spec)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Corrosion-resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Complete NRCH assembly and hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires upper receiver disassembly; permanent conversion\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FN America","offers":[{"title":"Default Title","offer_id":47937464991999,"sku":"FN20-100505","price":899.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2863051.jpg?v=1766495252"},{"product_id":"fortis-billet-upper-receiver","title":"Fortis Manufacturing Billet Upper Receiver – AR-15 \/ M4 Platform","description":"\u003cp\u003eThe Fortis Billet Upper Receiver is machined from a solid block of 7075-T6 aluminum for AR-15 and M4 builds requiring tighter tolerances than forged alternatives. This upper features a continuous Picatinny rail with M1913 spec, forward assist, and dust cover. The extended feed ramps ensure reliable chambering with various ammunition types. Accepts standard barrel nuts and handguards designed for mil-spec uppers.\u003c\/p\u003e\u003cp\u003eMachined from billet aluminum, this receiver offers dimensional consistency and a Type III hard coat anodized finish. Ships as a stripped upper without charging handle, bolt carrier group, or handguard. Requires barrel installation and headspacing verification by a qualified gunsmith or armorer. Compatible with standard AR-15\/M4 lower receivers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e AR-15 \/ M4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 Billet Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III Hard Coat Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Forward Assist, Dust Cover, Extended Feed Ramps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRail:\u003c\/strong\u003e M1913 Picatinny\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Stripped Upper Receiver Only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Barrel Installation and Headspacing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fortis Manufacturing, Inc.","offers":[{"title":"Default Title","offer_id":47937878032639,"sku":"FORTU-BILLET-M4","price":189.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2141888.jpg?v=1766498211"},{"product_id":"c-daly-ar-410-upper-19-5rd","title":"Charles Daly AR-410 Upper Receiver 19\" 5-Round – AR-15 Lower Compatible","description":"\u003cp\u003eThe Charles Daly AR-410 upper receiver converts standard AR-15 pattern lowers to .410 bore shotgun capability. 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Verify your lower receiver is legally configured to accept this upper per ATF regulations regarding shotgun conversions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .410 Bore (2.5\" shells)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 pattern (mil-spec)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 19 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Machined aluminum upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver, barrel, bolt carrier group, charging handle, 5-round magazine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Standard AR-15 pin system, no gunsmithing required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Installing this shotgun upper on certain AR-15 lowers may create an NFA-regulated firearm depending on overall length and stock configuration. Consult ATF guidelines or a qualified professional before installation.\u003c\/p\u003e","brand":"Charles Daly","offers":[{"title":"Default Title","offer_id":47937878524159,"sku":"CD500-219","price":383.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1252218.jpg?v=1766498269"},{"product_id":"chiappa-m4-22-g2-uppr-22lr-16-10rd","title":"Chiappa M4-22 G2 Upper Receiver .22 LR 16\" – AR-15 Platform","description":"\u003cp\u003eThe Chiappa M4-22 G2 Upper Receiver converts standard AR-15 lower receivers to fire .22 LR ammunition. This 16-inch upper uses a blowback operating system designed specifically for rimfire rounds, allowing shooters to train with cheaper ammunition while maintaining familiar AR-15 ergonomics and controls. The G2 version includes reliability improvements over the original M4-22 design. Includes one 10-round magazine.\u003c\/p\u003e\u003cp\u003eConstructed from aluminum with a matte black finish. The upper includes a 16-inch barrel, bolt carrier group, charging handle, and all internal components needed for installation. Mounts to any mil-spec AR-15 lower receiver. No additional parts or modifications required—simply attach to your lower receiver and function check before firing. 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Built for shooters prioritizing weight reduction without sacrificing reliability, this complete upper assembly delivers consistent performance for general-purpose carbine use, competition, and recreational shooting.\u003c\/p\u003e\u003cp\u003eConstructed with Faxon's proprietary barrel profile and a streamlined handguard system, this upper is engineered to minimize overall weight while maintaining structural integrity. The ION series utilizes a low-profile gas block and mid-length gas system for reliable cycling with standard 5.56 NATO and .223 Remington ammunition. 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This system is designed to fit standard AR-15 lower receivers and features a short-stroke piston operation that keeps combustion gases out of the receiver. The reciprocating charging handle is mounted on the left side of the upper, offering ambidextrous operation and tool-free field stripping. Users can adjust the gas system for suppressed or unsuppressed fire.\u003c\/p\u003e\u003cp\u003eThe upper is constructed from 7075-T6 aluminum with a hard-coat anodized finish. The free-floating rail system provides M-LOK slots for accessories while maintaining zero on optics during disassembly. This complete upper includes the bolt carrier group and charging handle. Installation requires no gunsmithing—simply attach to a milspec AR-15 lower receiver. The gas piston design reduces carbon fouling in the action compared to direct impingement systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Gas Piston Upper Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Milspec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard-Coat Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e BCG, Charging Handle, Free-Float M-LOK Rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in, No Gunsmithing Required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Faxon Firearms","offers":[{"title":"Default Title","offer_id":47937888551167,"sku":"FXURSSB556","price":991.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/3700097.jpg?v=1766499282"},{"product_id":"faxon-arak-21-7-62x39-16-upper","title":"Faxon ARAK-21 7.62x39 16\" Piston Upper Receiver – AR-15 Lower Compatible","description":"\u003cp\u003eThe Faxon ARAK-21 is a gas piston-driven upper receiver chambered in 7.62x39, designed to mount on standard AR-15 lowers. This 16-inch configuration uses a short-stroke piston system that runs cleaner and cooler than direct impingement, making it well-suited for sustained firing and suppressed use. The ARAK-21 requires no buffer tube, allowing use with side-folding stocks or AR-15 pistol lowers with braces.\u003c\/p\u003e\u003cp\u003eConstructed from 7075-T6 aluminum with a black anodized finish, the upper includes a chrome-lined barrel, adjustable gas block, and reciprocating side-charging handle. The barrel can be quickly swapped in the field without tools for caliber conversion. Installation is straightforward—mounts to any mil-spec AR-15 lower using standard takedown pins. No modifications required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 7.62x39\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Gas piston upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver assembly, chrome-lined barrel, adjustable gas block, side-charging handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Mounts to standard AR-15 lower with takedown pins; no buffer tube required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Faxon Firearms","offers":[{"title":"Default Title","offer_id":47937888813311,"sku":"FXURSSB762","price":991.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/3700099.jpg?v=1766499321"},{"product_id":"lbe-upper-w-frwrd-assist-and-ejectio","title":"LBE Unlimited AR-15 Upper Receiver with Forward Assist and Ejection Port Cover","description":"\u003cp\u003eThis LBE Unlimited upper receiver is a mil-spec forged AR-15 upper designed for standard .223\/5.56 builds. Features both forward assist and ejection port cover, providing full functionality for duty, competition, or general-purpose rifle configurations. Compatible with all mil-spec AR-15 lower receivers and standard AR-15\/M16 bolt carrier groups.\u003c\/p\u003e\u003cp\u003eForged from 7075-T6 aluminum with a hard-anodized finish for corrosion resistance and durability. Upper arrives stripped—no barrel, handguard, charging handle, or BCG included. Standard M4 feed ramps machined into receiver. 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Designed exclusively for HK MR556 lower receivers, this upper delivers the same short-stroke piston reliability used in HK's military rifle platforms. The free-floating quad rail handguard provides multiple mounting positions for accessories while maintaining accuracy.\u003c\/p\u003e\u003cp\u003eConstructed from forged steel with a black finish, this upper includes a full profile barrel, HK's adjustable front and rear sights, and the factory bolt carrier group. The gas piston system eliminates gas blowback into the receiver and reduces heat transfer to the bolt carrier. 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This upper follows DPMS High (Gen 1) pattern specifications, ensuring compatibility with standard DPMS-pattern lowers and components. Precision machined with proper indexing pin placement for reliable barrel alignment and consistent lockup.\u003c\/p\u003e\u003cp\u003eForged construction delivers strength-to-weight efficiency for large-frame builds. Hard coat anodized finish provides corrosion resistance and a clean matte black appearance. Sold as a stripped receiver without forward assist or dust cover—builders select their own components for a custom configuration. Accepts standard AR-10 bolt carrier groups, charging handles, and handguards. Requires knowledge of AR-platform assembly or professional installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .308 Winchester \/ 7.62x51 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stripped upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e DPMS High \/ AR-10 pattern\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard coat anodized black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver only (no forward assist, no dust cover)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires AR-10 assembly knowledge or professional gunsmith\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":47938421686527,"sku":"LUTH308-FTT-EA","price":160.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1289976.jpg?v=1766514029"},{"product_id":"luth-ar-16-ltwt-bbl-comp-upper-223","title":"Luth-AR 16\" Lightweight Complete Upper Assembly .223\/5.56 – AR-15 Platform","description":"\u003cp\u003eThis Luth-AR complete upper assembly delivers a reliable .223\/5.56 configuration in a lightweight 16-inch barrel setup. Designed for standard AR-15 lower receivers, this upper provides a practical balance of compactness and velocity for general-purpose use, range work, or duty applications.\u003c\/p\u003e\u003cp\u003eThe upper features a 16-inch lightweight profile barrel with a compensator to reduce muzzle rise during rapid fire. Constructed with a mil-spec upper receiver and standard forward assist and ejection port cover, this assembly is ready to install on any mil-spec AR-15 lower. 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This complete upper assembly fits standard AR-15 lowers and is designed for precision shooting, varmint hunting, and long-range applications where a heavy barrel profile and extended sight radius deliver repeatable accuracy.\u003c\/p\u003e\u003cp\u003eFeatures a heavy bull barrel profile for heat dissipation and reduced harmonic distortion during extended shooting sessions. Upper receiver is machined from forged 7075-T6 aluminum with a Type III hard anodized finish. Complete assembly includes bolt carrier group, charging handle, and muzzle device. Installation requires only two takedown pins—no gunsmithing or additional parts needed.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 223 Wylde\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 \/ mil-spec lower receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 24 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Profile:\u003c\/strong\u003e Bull (heavy contour)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 aluminum upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hard anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier group, charging handle, muzzle device\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in ready, no gunsmithing required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":47938439839999,"sku":"LUTHFTBL-B24","price":514.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1290242.jpg?v=1766515259"},{"product_id":"luth-ar-a3-upper-receiver","title":"Luth-AR A3 Upper Receiver – Mil-Spec AR-15 Forged Aluminum","description":"\u003cp\u003eThe Luth-AR A3 Upper Receiver is a mil-spec forged 7075-T6 aluminum upper designed for standard AR-15 lower receivers. This flat-top configuration features a full-length MIL-STD-1913 Picatinny rail for optics mounting and accepts standard AR-15 barrel assemblies, bolt carrier groups, and charging handles. Built to USGI specifications with proper indexing pin holes and a compatible ejection port cover.\u003c\/p\u003e\u003cp\u003eForged from 7075-T6 aluminum and finished with Type III hard coat anodizing for corrosion resistance and durability. The upper is machined to accept all mil-spec components and arrives ready for assembly with your choice of barrel, handguard system, and internal components. Standard rear charging handle channel. Requires headspacing with your selected barrel and bolt.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stripped Upper Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 Mil-Spec\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 Forged Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III Hard Coat Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRail:\u003c\/strong\u003e Full-Length Picatinny Flat-Top\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper Receiver Only (No Components)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Barrel, BCG, Charging Handle, Handguard, and Proper Headspacing\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":47938440593663,"sku":"LUTHFTT-EA","price":103.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1290259.jpg?v=1766515304"},{"product_id":"luth-ar-upper-rcvr-asmb-w-charg-hndl","title":"Luth-AR Upper Receiver Assembly with Charging Handle – AR-15 Platform","description":"\u003cp\u003eThe Luth-AR Upper Receiver Assembly is a forged 7075-T6 aluminum upper for AR-15 pattern rifles, pre-assembled with a mil-spec charging handle for immediate build-ready use. This stripped upper features M4 feed ramps and is compatible with standard AR-15 lower receivers in 5.56 NATO\/.223 Remington and other calibers using the AR-15 platform.\u003c\/p\u003e\u003cp\u003eManufactured from forged aluminum with a Type III hard coat anodized finish for corrosion resistance and durability. The assembly includes the upper receiver and charging handle; barrel, handguard, and bolt carrier group are sold separately. Requires standard AR-15 armorer tools for installation of remaining components. 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This stripped upper features Nordic's extruded design with integrated M4 feed ramps and a standard ejection port. Mil-spec dimensioning ensures compatibility with standard AR-15 lower receivers, barrels, bolt carrier groups, and charging handles.\u003c\/p\u003e\u003cp\u003eThe upper is finished in hard-coat anodized black for corrosion resistance and durability. Sold as a stripped receiver with no barrel, handguard, or internal components—ideal for custom builds or replacing damaged uppers. Standard forward assist and ejection port cover cuts allow installation of mil-spec components. 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This classic A1 configuration features a fixed carry handle with integrated rear sight, making it ideal for retro builds or shooters who prefer traditional iron sights. The upper is compatible with standard AR-15 barrel nuts and handguards.\u003c\/p\u003e\u003cp\u003eForged from 7075-T6 aluminum with a hard coat anodized finish, this upper comes fully assembled with ejection port cover and forward assist installed. The carry handle rear sight is elevation-adjustable and windage-adjustable. Accepts mil-spec charging handles and bolt carrier groups. No additional machining or fitting required—ready to pair with a barrel assembly and lower receiver.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Assembled Upper Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 Pattern (Mil-Spec)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Hard Coat Anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e A1 Fixed Carry Handle with Integrated Rear Sight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Ejection Port Cover, Forward Assist\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Barrel Assembly, Charging Handle, and BCG (Not Included)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Luth-AR","offers":[{"title":"Default Title","offer_id":47938510225663,"sku":"LUTHUR-01A","price":203.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1290653.jpg?v=1766517697"},{"product_id":"nordic-16-22lr-complete-upper-10rd","title":"Nordic Components 16\" .22LR Complete Upper Assembly – AR-15 Compatible","description":"\u003cp\u003eThe Nordic Components 16\" .22LR Complete Upper Assembly converts any mil-spec AR-15 lower into a dedicated .22LR trainer. This drop-in upper features a 16-inch barrel and ships with a 10-round magazine, giving you an affordable rimfire training platform that uses your existing AR lower without modifications.\u003c\/p\u003e\u003cp\u003eBuilt with a machined aluminum upper receiver and finished in matte black, this complete upper includes the bolt carrier group and charging handle. Installation is straightforward—remove your existing upper, drop this one on, and you're ready to shoot .22LR. 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This stripped upper comes assembled with the A2-style carry handle and rear sight, providing a classic fixed-sight configuration for shooters who prefer traditional iron sights or want to build a retro-style rifle. No charging handle included.\u003c\/p\u003e\u003cp\u003eForged from mil-spec 7075-T6 aluminum and finished with a hard-coat anodized Type III coating for corrosion resistance. The upper features M4 feed ramps and is ready to accept standard AR-15 bolt carrier groups, barrels, and handguards. Requires installation of charging handle, barrel assembly, and gas system components to complete. 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This traditional A2-style upper features the integrated carry handle with rear sight assembly, making it ideal for retro builds, service rifle competition, or shooters who prefer fixed iron sights. Compatible with standard AR-15 lower receivers.\u003c\/p\u003e\u003cp\u003eForged from 7075-T6 aluminum with a black anodized finish for durability and corrosion resistance. Stripped configuration requires separate installation of forward assist, ejection port cover, and barrel assembly. Includes the factory-installed carry handle and A2 rear sight. 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This 16-inch configuration delivers reliable blowback operation with Noveske's precision manufacturing standards, making it suitable for competitive shooting, home defense, and suppressed applications. The platform accepts standard Glock-pattern magazines (typically compatible with modified AR lowers or dedicated 9mm lowers with appropriate mag well adapters).\u003c\/p\u003e\u003cp\u003eBuilt with a match-grade 16-inch barrel and Noveske's proprietary NSR M-LOK rail system, this upper features a nitride-finished barrel for corrosion resistance and extended service life. The complete assembly includes bolt carrier group and charging handle, ready to install on a compatible lower receiver. Installation requires a 9mm-compatible AR-15 lower receiver with appropriate magazine well configuration. Verify your lower receiver's compatibility with Glock-pattern magazines before purchase.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 9mm Luger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Receiver Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 (requires 9mm-compatible lower)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged aluminum receiver, match-grade barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hardcoat anodized receiver, nitride barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e BCG, charging handle, handguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in (requires compatible 9mm AR-15 lower)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noveske","offers":[{"title":"Default Title","offer_id":47938754019583,"sku":"NV03000446","price":1380.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/3832666.jpg?v=1766528139"},{"product_id":"noveske-chainsaw-556-16-mlok-upper","title":"Noveske Chainsaw 5.56 NATO 16\" M-LOK Upper Receiver – AR-15 Compatible","description":"\u003cp\u003eThe Noveske Chainsaw upper receiver assembly is chambered in 5.56 NATO and built on a 16-inch barrel platform, designed to fit standard mil-spec AR-15 lower receivers. This complete upper features Noveske's M-LOK handguard system for modular accessory mounting and weight reduction while maintaining structural rigidity for reliable accuracy.\u003c\/p\u003e\u003cp\u003eConstructed with a forged 7075-T6 aluminum upper receiver and Type III hard coat anodized finish throughout. The upper assembly includes a gas system, bolt carrier group, and charging handle for drop-in installation. Requires only standard AR-15 armorer's tools and torque specifications for assembly to a compatible lower receiver.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 aluminum upper receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hard coat anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Gas system, BCG, charging handle, M-LOK handguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in to mil-spec AR-15 lower\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noveske","offers":[{"title":"Default Title","offer_id":47938754478335,"sku":"NV03000523","price":1300.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2870919.jpg?v=1766528162"},{"product_id":"noveske-chainsaw-n4-stripped-upper","title":"Noveske Chainsaw N4 Stripped Upper Receiver – AR-15 Platform","description":"\u003cp\u003eThe Noveske Chainsaw N4 Stripped Upper Receiver is a forged 7075-T6 aluminum upper designed for AR-15 platform builds. This stripped upper features Noveske's signature Chainsaw rail cuts machined into the M4 feed ramp profile receiver, reducing weight while maintaining structural integrity. The upper is compatible with mil-spec lower receivers and accepts standard AR-15 barrel assemblies, bolt carrier groups, and charging handles.\u003c\/p\u003e\u003cp\u003ePrecision CNC machined with a Type III hard coat anodized finish in black. The upper is delivered stripped—no forward assist, ejection port cover, or charging handle latch included. Barrel nut threads are cut to M4 feed ramp specifications. Requires standard AR-15 upper assembly components to complete. Upper is marked with Noveske branding and model designation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e Multi (5.56 NATO\/.223 Rem\/.300 BLK with appropriate barrel)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stripped Upper Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 Forged Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III Hard Coat Anodized Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver only (no forward assist, ejection port cover, or internal components)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires gunsmith knowledge or armorer experience to assemble\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noveske","offers":[{"title":"Default Title","offer_id":47938755526911,"sku":"NV03002689","price":200.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2903142.jpg?v=1766528297"},{"product_id":"noveske-4th-gen-upper-recvr","title":"Noveske 4th Gen Upper Receiver – Mil-Spec AR-15 Platform","description":"\u003cp\u003eThe Noveske 4th Gen Upper Receiver is a forged 7075-T6 aluminum upper designed for AR-15 platform builds. This stripped upper features Noveske's M4 feed ramp profile and accepts standard mil-spec barrel nuts, handguards, and charging handles. The receiver includes a brass deflector and forward assist, making it suitable for both civilian sport shooting and precision rifle builds.\u003c\/p\u003e\u003cp\u003eManufactured from 7075-T6 aluminum with a Type III hard coat anodized finish in black. This is a stripped upper receiver with no dust cover or forward assist installed—those components must be sourced separately. Compatible with standard mil-spec AR-15 lower receivers and accepts barrels with M4 feed ramp extensions. Installation requires standard AR-15 assembly tools and knowledge of upper receiver assembly procedures.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Stripped Upper Receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-Spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III Hard Coat Anodized Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed Ramps:\u003c\/strong\u003e M4 Profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper Receiver Only (No Dust Cover or Forward Assist)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Standard AR-15 Assembly Tools\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Noveske","offers":[{"title":"Default Title","offer_id":47938756083967,"sku":"NV03002692","price":575.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5629371.jpg?v=1766528327"},{"product_id":"odin-billet-upper-receiver-black","title":"Odin Works Billet Upper Receiver Black – AR-15 Platform","description":"\u003cp\u003eThe Odin Works Billet Upper Receiver is machined from a solid block of 7075-T6 aluminum for the AR-15 platform. This billet construction allows for tighter tolerances and enhanced fitment compared to forged alternatives, with refined internal geometry that reduces weight without compromising structural integrity. The upper features M4 feed ramps and is compatible with standard AR-15 barrel nuts, handguards, and bolt carrier groups.\u003c\/p\u003e\u003cp\u003eThe receiver is finished in Type III hard coat anodized black for corrosion and wear resistance. CNC machining provides a consistent shell deflector profile and precise indexing pin hole. The upper includes a brass deflector and forward assist serrations. Installation requires standard AR-15 upper assembly tools and headspace verification with your chosen barrel and bolt.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 billet aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hard coat anodized black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed Ramps:\u003c\/strong\u003e M4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Reduced versus standard forged uppers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver only (no barrel, bolt carrier group, or charging handle)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires barrel installation, headspace check, and assembly with compatible lower receiver\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Odin Works","offers":[{"title":"Default Title","offer_id":47938782626047,"sku":"ODUPPER-BILLET-ODIN-1","price":169.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2143507.jpg?v=1766529601"},{"product_id":"oow-m240p-conversion-kit-for-slr","title":"OHIO OOW M240P Conversion Kit for SLR","description":"\u003cp\u003eThe OHIO OOW M240P Conversion Kit converts your SLR platform into a belt-fed 7.62x51mm NATO configuration modeled after the M240 pattern. This kit allows shooters to run belt-fed ammunition through a compatible SLR lower receiver, expanding training and suppressive fire capabilities. The kit is designed for users who already own an SLR lower and want to add belt-fed functionality without purchasing a complete new platform.\u003c\/p\u003e\u003cp\u003eThe conversion kit includes the upper receiver assembly with integrated feed tray, barrel, gas system components, and mounting hardware required for installation. Material construction uses mil-spec steel and aluminum alloys with a durable phosphate or similar corrosion-resistant finish. Installation requires basic armorer tools and familiarity with SLR platform disassembly. Verify local and federal compliance before installing any conversion kit that changes your firearm's feeding mechanism.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 7.62x51mm NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Belt-Fed Conversion Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e SLR Platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel and Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Phosphate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper Receiver Assembly, Barrel, Feed Tray, Gas System Components, Mounting Hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires Armorer-Level Experience\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OHIO","offers":[{"title":"Default Title","offer_id":47938809725183,"sku":"OOW129-240P-CK-SLR","price":2480.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/2871190.jpg?v=1766532116"},{"product_id":"pws-mk116-mod-1-m-upper-16-1-blk","title":"PWS MK116 MOD 1-M Complete Upper Receiver 5.56 NATO – AR-15 Platform","description":"\u003cp\u003eThe PWS MK116 MOD 1-M is a complete 16.1-inch upper receiver chambered in 5.56 NATO, designed for direct installation on any mil-spec AR-15 lower receiver. This upper features the company's long-stroke piston system, which reduces fouling and heat transfer to the bolt carrier group compared to direct impingement systems. The MOD 1-M configuration includes a free-float M-LOK rail for accessory mounting and weight reduction.\u003c\/p\u003e\u003cp\u003eBuilt with a 4150 chrome moly vanadium steel barrel and finished in black, this upper comes fully assembled with bolt carrier group and charging handle. The long-stroke piston design requires no modification to standard AR-15 lowers and uses a proprietary FSC muzzle device. Installation requires no gunsmithing—simply pin to a mil-spec lower and perform a function check before use.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper with BCG and charging handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16.1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4150 CMV steel barrel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier group, charging handle, FSC muzzle device\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Long-stroke piston\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Primary Weapons Systems","offers":[{"title":"Default Title","offer_id":47938844426495,"sku":"PWSMK1-M1U-223-16","price":1129.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/4889314.jpg?v=1766534707"},{"product_id":"pws-mk116-mod-1-m-upr-16-762x39-blk","title":"PWS MK116 MOD 1-M Complete Upper Receiver 7.62x39mm 16\" – AR-15 Platform","description":"\u003cp\u003eThe PWS MK116 MOD 1-M is a complete upper receiver assembly chambered in 7.62x39mm, designed to convert any mil-spec AR-15 lower into a reliable platform for this popular intermediate cartridge. Built around a 16-inch barrel with PWS's long-stroke piston operating system, this upper delivers consistent performance with steel-cased ammunition and eliminates many gas system issues common to direct impingement conversions. The MOD 1-M configuration includes PWS's modular M-LOK rail system for mounting accessories while keeping weight manageable.\u003c\/p\u003e\u003cp\u003eConstructed with a 4150 chrome moly vanadium barrel and finished in black, the MK116 features PWS's proprietary FSC muzzle device and ambidextrous controls. The long-stroke piston system keeps heat and fouling away from the bolt carrier group, extending reliability between cleanings. This is a drop-in upper that requires no modification to standard AR-15 lowers—just ensure you're using 7.62x39mm-compatible magazines and a bolt appropriate for this caliber. Ships complete and ready to install.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 7.62x39mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4150 CMV barrel, forged aluminum receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Barrel, bolt carrier group, charging handle, rail system, muzzle device\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in, requires 7.62x39mm magazines\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Primary Weapons Systems","offers":[{"title":"Default Title","offer_id":47938844983551,"sku":"PWSMK1-M1U-762X39-16","price":1129.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5414960.jpg?v=1766534755"},{"product_id":"pws-mk116-mod-2-m-upper-16-1-blk","title":"PWS MK116 MOD 2-M Complete Upper Receiver 5.56 NATO 16.1\" – AR-15 Platform","description":"\u003cp\u003eThe PWS MK116 MOD 2-M is a complete upper receiver in 5.56 NATO chambering with a 16.1-inch barrel, designed for the AR-15 lower receiver platform. This upper features PWS's long-stroke piston operating system, which eliminates direct gas impingement carbon buildup in the upper receiver and bolt carrier group while reducing heat and fouling transferred to the shooter's face during sustained fire.\u003c\/p\u003e\u003cp\u003eThe upper receiver is machined from forged 7075-T6 aluminum and finished in black. It includes PWS's free-float handguard with M-LOK attachment points, an adjustable gas block for tuning to different ammunition loads and suppressor use, and a Radian Raptor ambidextrous charging handle. The barrel is cold hammer forged with a 1:8 twist rate. This is a complete upper ready to install on any mil-spec AR-15 lower receiver—no additional components required. Basic armorer knowledge recommended for installation and gas system adjustment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16.1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating System:\u003c\/strong\u003e Long-stroke piston\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandguard:\u003c\/strong\u003e Free-float M-LOK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Adjustable gas block, Radian Raptor charging handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drops onto any mil-spec AR-15 lower\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Primary Weapons Systems","offers":[{"title":"Default Title","offer_id":47938845704447,"sku":"PWSMK1-M2U-223-16","price":1451.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/4889326.jpg?v=1766534801"},{"product_id":"pws-mk116-mod-2-m-upr-16-762x39-blk","title":"PWS MK116 MOD 2-M Complete Upper Receiver 7.62x39mm 16\" – AR-15 Platform","description":"\u003cp\u003eThe Primary Weapons Systems MK116 MOD 2-M is a complete upper receiver chambered in 7.62x39mm, designed for shooters who want AK-caliber ballistics in an AR-15 platform. The 16-inch barrel delivers optimal velocity for this intermediate cartridge, and the MOD 2-M configuration includes PWS's long-stroke piston system for reliable function with steel-cased ammunition and reduced maintenance compared to direct impingement.\u003c\/p\u003e\u003cp\u003eThis upper features a forged 7075-T6 aluminum receiver with a black anodized finish. The free-float M-LOK handguard provides mounting flexibility for accessories while keeping weight manageable. The upper comes complete with bolt carrier group, charging handle, and flash hider. Installation on any mil-spec AR-15 lower is straightforward—verify your lower is compatible with 7.62x39mm magazines and feed geometry before installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 7.62x39mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper receiver, long-stroke piston system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15 (must support 7.62x39mm magazines)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 forged aluminum receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier group, charging handle, flash hider, M-LOK handguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in on mil-spec AR-15 lower; confirm magazine compatibility\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Primary Weapons Systems","offers":[{"title":"Default Title","offer_id":47938876801279,"sku":"PWSMK1-M2U-762X39-16","price":1451.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/4889328.jpg?v=1766534831"},{"product_id":"pws-uxr-elt-conv-kit-223-wylde-16","title":"PWS UXR ELT Conversion Kit .223 Wylde 16\" – AR-15 Platform","description":"\u003cp\u003eThe Primary Weapons Systems UXR ELT Conversion Kit in .223 Wylde with 16\" barrel provides a complete upper assembly designed for AR-15 pattern lowers. The .223 Wylde chamber delivers match-grade accuracy with both .223 Remington and 5.56 NATO ammunition, offering the precision of .223 with the reliability of 5.56. This configuration is optimized for general-purpose shooting, from carbine drills to mid-range precision work.\u003c\/p\u003e\u003cp\u003ePWS manufactures this conversion kit with a durable forged aluminum upper receiver and mil-spec Type III hard-coat anodized finish. The kit includes the complete upper receiver assembly with barrel, handguard, and charging handle, allowing straightforward installation on any mil-spec AR-15 lower receiver. No permanent modifications to the lower are required. The 16\" barrel length maintains standard carbine handling characteristics while meeting legal requirements for non-NFA configurations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e .223 Wylde\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete upper conversion kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e AR-15 \/ mil-spec lower receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged aluminum receiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III hard-coat anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Complete upper assembly, barrel, handguard, charging handle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in installation on mil-spec AR-15 lowers, no gunsmithing required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Primary Weapons Systems","offers":[{"title":"Default Title","offer_id":47938877522175,"sku":"PWSUXR-CK-223-16","price":499.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/4889338.jpg?v=1766534897"},{"product_id":"solgw-e-india-kit-v2-5-56-13-7-blk","title":"Sons of Liberty Gun Works E India Kit V2 5.56 13.7\" – Complete AR-15 Upper Conversion Kit","description":"\u003cp\u003eThe SOLGW E India Kit V2 delivers a complete 5.56 NATO upper configuration built around a 13.7-inch barrel—a length specifically chosen to achieve the legal 16-inch minimum overall length when paired with a pinned and welded muzzle device, eliminating NFA restrictions while maintaining a compact profile. This kit fits standard mil-spec AR-15 lower receivers and provides a reliable platform for defensive, duty, or practical shooting applications.\u003c\/p\u003e\u003cp\u003eEach kit includes the complete upper receiver assembly with barrel, handguard, and necessary components for installation. SOLGW manufactures these uppers with a black finish and includes quality components throughout. To achieve the 16-inch legal configuration, you'll need to pin and weld an appropriate muzzle device—consult a qualified gunsmith if you're unfamiliar with this process. The 13.7-inch barrel balances maneuverability with ballistic performance, offering improved velocity over shorter barrels while remaining more compact than traditional 16-inch configurations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Complete Upper Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Lower:\u003c\/strong\u003e Mil-spec AR-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 13.7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Upper receiver assembly with barrel and handguard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Requires pinned and welded muzzle device for 16-inch legal configuration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sons of Liberty Gun Works","offers":[{"title":"Default Title","offer_id":47938879029503,"sku":"SOLGWEIC-137-556","price":496.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5492619.jpg?v=1766535049"}],"url":"https:\/\/doublestackstore.com\/collections\/upper-receivers-conv-kits.oembed?page=6","provider":"Double Stack Store","version":"1.0","type":"link"}