{"product_id":"fail-zero-5-56x45mm-nato-full-auto-ar-15-bolt-carrier-group","title":"Fail Zero 5.56x45mm NATO Full-Auto AR-15 Bolt Carrier Group","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eFail Zero FZM16401NH Bolt Carrier Group\u003c\/span\u003e\u003c\/strong\u003e is a complete BCG chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e and engineered for the \u003cstrong\u003eAR-15\u003c\/strong\u003e platform. Carried as a full-auto compatible bolt carrier, it serves as the rugged cycling component at the heart of any AR-pattern upper receiver.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eMeasuring \u003cstrong\u003e1.75\" x 3.80\" x 10.65\"\u003c\/strong\u003e, this bolt carrier group drops directly into a standard AR-15 upper receiver. Its full-auto profile carrier gives builders a proven component geometry whether they are assembling a new AR-15 from the ground up or replacing a worn factory BCG.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned for use with 5.56 NATO ammunition and compatible .223 Remington loads, the Fail Zero FZM16401NH is a straightforward upgrade or replacement part for any AR-15 owner looking for a reliable, complete bolt carrier group ready to install.\u003c\/span\u003e\u003c\/p\u003e","brand":"Fail Zero","offers":[{"title":"Default Title","offer_id":55324454224194,"sku":"FZM16401NH","price":139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_cd1303b5-23d5-4896-a65d-43649d3fc2fb.jpg?v=1785151728","url":"https:\/\/centerfiresystems.com\/products\/fail-zero-5-56x45mm-nato-full-auto-ar-15-bolt-carrier-group","provider":"Centerfire Systems","version":"1.0","type":"link"}