{"product_id":"spikes-556nato-upper-16-chf-fsp","title":"Spike's Tactical 5.56 NATO Upper Receiver 16\" CHF Barrel with Front Sight Post – Mil-Spec AR-15","description":"\u003cp\u003eSpike's Tactical 5.56 NATO upper receiver assembly features a 16-inch cold hammer forged (CHF) barrel with an A2-style front sight post. Designed for mil-spec AR-15 lower receivers, this upper delivers reliable performance in 5.56 NATO\/.223 Rem with a proven gas system configuration and durable construction suitable for duty, training, or recreational shooting.\u003c\/p\u003e\u003cp\u003eThe cold hammer forged barrel provides extended service life and consistent accuracy. Upper receiver is forged 7075-T6 aluminum with a hard coat anodized finish. Assembly includes bolt carrier group, charging handle, and front sight post gas block. Direct installation onto any mil-spec AR-15 lower receiver—no gunsmithing required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\/.223 Rem\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\u003eBarrel:\u003c\/strong\u003e Cold hammer forged (CHF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Carbine-length with A2 front sight post\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 Hard coat anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt carrier group, charging handle, front sight post gas block\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":"Spike's Tactical","offers":[{"title":"Default Title","offer_id":47938905899263,"sku":"SPKSTU5435-MLS","price":630.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1336599.jpg?v=1766536378","url":"https:\/\/doublestackstore.com\/products\/spikes-556nato-upper-16-chf-fsp","provider":"Double Stack Store","version":"1.0","type":"link"}