{"product_id":"kak-ar15-bcg-m16-556-np3-9130","title":"KAK Industry AR15 BCG M16 556 NP3 9130","description":"\u003cp\u003eThe KAK Industry AR15 BCG is a full-auto profile bolt carrier group machined from 9310 steel and finished with NP3 coating for superior lubricity and corrosion resistance. This M16-profile carrier is compatible with AR-15 rifles chambered in 5.56 NATO\/.223 Remington and provides the additional mass required for reliable cycling in builds with adjustable gas blocks or suppressed configurations. The NP3 electroless nickel-PTFE coating reduces friction and carbon buildup, making post-range cleanup significantly faster than standard phosphate finishes.\u003c\/p\u003e\u003cp\u003eThe bolt is machined from 9310 alloy steel, a material known for its balance of strength and toughness in high-stress applications. All components are properly staked and magnetic particle inspected to MIL-SPEC standards. This is a drop-in part for mil-spec AR-15 uppers; no gunsmithing required. The carrier includes a properly aligned gas key secured with Grade 8 fasteners.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bolt Carrier Group (BCG)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15 rifles in 5.56 NATO\/.223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 9310 steel bolt, 8620 steel carrier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e NP3 electroless nickel-PTFE coating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e M16 full-auto\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Drop-in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Bolt, carrier, cam pin, firing pin, firing pin retaining pin\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KAK Industry","offers":[{"title":"Default Title","offer_id":47938713190655,"sku":"KAK425-0506-001","price":221.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5212305.jpg?v=1766526243","url":"https:\/\/doublestackstore.com\/products\/kak-ar15-bcg-m16-556-np3-9130","provider":"Double Stack Store","version":"1.0","type":"link"}