{"product_id":"fz-m16-m4-bcg-no-hammer-blk-nit","title":"FailZero M16\/M4 BCG (No Hammer) – Black Nitride EXO Coating","description":"\u003cp\u003eThe FailZero M16\/M4 Bolt Carrier Group with EXO nickel boron coating delivers reliable cycling without the need for traditional lubricants. This full-auto profile BCG is machined to Mil-Spec dimensions and treated with FailZero's proprietary EXO coating, which embeds a self-lubricating layer directly into the metal surface. The result is reduced friction, easier cleaning, and consistent performance in adverse conditions. This version ships without a firing pin hammer for builders who already have one or prefer to source their own.\u003c\/p\u003e\u003cp\u003eThe black nitride finish over the EXO coating provides corrosion resistance and a low-glare appearance. The BCG is compatible with standard AR-15 uppers chambered in 5.56 NATO\/.223 Remington. Installation is drop-in for anyone familiar with AR-15 assembly—no gunsmithing required. The coating reduces carbon buildup significantly, allowing you to wipe down the carrier with minimal scrubbing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bolt Carrier Group (Full-Auto Profile)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Firearms:\u003c\/strong\u003e M16\/M4, AR-15 (5.56 NATO\/.223 Rem)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Mil-Spec Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Nitride with EXO Nickel Boron 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 Bolt Carrier, Bolt Assembly, Gas Key, Cam Pin, Firing Pin Retaining Pin (No Firing Pin Hammer)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FailZero","offers":[{"title":"Default Title","offer_id":47937978368255,"sku":"FZ-NITRIDE-01-NH","price":118.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0729\/0434\/3807\/files\/1260844.jpg?v=1766499915","url":"https:\/\/doublestackstore.com\/products\/fz-m16-m4-bcg-no-hammer-blk-nit","provider":"Double Stack Store","version":"1.0","type":"link"}