{"product_id":"kak-ar15-bcg-m16-556-k-spec-fde-de","title":"KAK Industry AR-15 M16 Bolt Carrier Group – 5.56 NATO K-SPEC FDE","description":"\u003cp\u003eThe KAK Industry AR-15 M16 Bolt Carrier Group delivers reliable cycling in 5.56 NATO chambered AR-15 rifles and carbines. Built to M16 full-auto profile specifications, this BCG provides increased carrier mass for enhanced reliability with suppressed or short-barreled uppers, though it functions equally well in standard configurations. The K-SPEC designation indicates KAK's quality control standards for materials and machining tolerances.\u003c\/p\u003e\u003cp\u003eConstructed from 8620 steel with a Cerakote Flat Dark Earth finish, this BCG resists corrosion while reducing friction for smoother operation. The gas key is properly staked and sealed. This is a drop-in component for any mil-spec AR-15 lower receiver and upper assembly—no gunsmithing required. Routine maintenance follows standard AR-15 cleaning procedures.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bolt Carrier Group (M16 Profile)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15 rifles and carbines chambered in 5.56 NATO \/ .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 8620 Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Cerakote Flat Dark Earth (FDE)\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 Assembled bolt carrier group with bolt, cam pin, and firing pin\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KAK Industry","offers":[{"title":"Default Title","offer_id":47938713977087,"sku":"KAK425-0507-003","price":215.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/4479427.jpg?v=1766526287","url":"https:\/\/doublestackstore.com\/products\/kak-ar15-bcg-m16-556-k-spec-fde-de","provider":"Double Stack Store","version":"1.0","type":"link"}