{"product_id":"kak-bcg-m16-762x39-k-spec-np3-tigry","title":"KAK Industry M16 7.62x39 K-Spec NP3 Bolt Carrier Group – AR-15 Platform","description":"\u003cp\u003eThe KAK Industry M16 7.62x39 K-Spec NP3 Bolt Carrier Group is engineered specifically for AR-15 platform rifles chambered in 7.62x39mm. This full-auto profile BCG addresses the unique extraction and feeding demands of the 7.62x39 cartridge in the AR platform, delivering reliable cycling with standard and aftermarket barrels. The K-Spec designation indicates enhanced geometry optimized for this chambering.\u003c\/p\u003e\u003cp\u003eManufactured from 8620 steel with a Carpenter 158 bolt, this BCG features an electroless nickel-PTFE (NP3) coating across all components. NP3 provides permanent lubricity, extreme corrosion resistance, and simplified cleaning compared to traditional phosphate or nitride finishes. The coating reduces friction and carbon buildup without requiring additional lubrication in most conditions. This is a complete assembly ready to install—drop-in compatible with mil-spec AR-15 upper receivers. No gunsmithing required.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bolt Carrier Group\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e AR-15 platform rifles chambered in 7.62x39mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 8620 steel carrier, Carpenter 158 bolt\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\u003eInstallation:\u003c\/strong\u003e Drop-in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Assembled bolt carrier group with gas key, cam pin, and firing pin\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"KAK Industry","offers":[{"title":"Default Title","offer_id":47938713747711,"sku":"KAK425-0506-007","price":251.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/5414392.jpg?v=1766526272","url":"https:\/\/doublestackstore.com\/products\/kak-bcg-m16-762x39-k-spec-np3-tigry","provider":"Double Stack Store","version":"1.0","type":"link"}