{"product_id":"fail-zero-450-bushmaster-ar-15-bolt-carrier-group-no-hammer-nickel-boron","title":"Fail Zero .450 Bushmaster AR-15 Bolt Carrier Group - No Hammer - Nickel Boron","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eFail Zero .450 Bushmaster AR-15 Bolt Carrier Group\u003c\/span\u003e\u003c\/strong\u003e is a fully assembled, drop-in BCG built specifically for the AR-15 platform chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.450 Bushmaster\u003c\/span\u003e\u003c\/strong\u003e (also \u003cstrong\u003e.458 SOCOM\u003c\/strong\u003e compatible). Every critical surface - bolt, extractor, cam pin, carrier key, and firing pin - is treated with Fail Zero's signature \u003cstrong\u003eEXO Nickel Boron\u003c\/strong\u003e coating for ultra-smooth cycling, exceptional wear resistance, and easy cleaning.\u003c\/span\u003e\u003c\/p\u003e\\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003eM16-cut\u003c\/strong\u003e (full-auto profile) carrier is machined from \u003cstrong\u003e8620 steel\u003c\/strong\u003e, while the bolt is forged from \u003cstrong\u003eCarpenter 158 steel\u003c\/strong\u003e - the same mil-spec materials used in duty-grade AR-15\/M16\/M4 rifles. Each assembly is \u003cstrong\u003emagnetic particle inspected\u003c\/strong\u003e and \u003cstrong\u003elive fire tested\u003c\/strong\u003e at the factory before shipping. The \u003cstrong\u003eNo Hammer\u003c\/strong\u003e (NH) configuration ships without a hammer component, ready to pair with your standard AR-15 lower parts kit.\u003c\/span\u003e\u003c\/p\u003e\\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned as a direct drop-in for most \u003cstrong\u003eMIL-SPEC\u003c\/strong\u003e .450 Bushmaster upper receivers, this BCG is an ideal upgrade or replacement for any heavy-duty AR build. The self-lubricating EXO Nickel Boron finish reduces friction, sheds carbon fouling, and keeps your rifle running smoothly whether you are chasing hogs in the brush or pushing rounds downrange at the range.\u003c\/span\u003e\u003c\/p\u003e","brand":"Fail Zero","offers":[{"title":"Default Title","offer_id":55325064331586,"sku":"FZ45001NH","price":166.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_990a7792-04fa-4c7e-9498-38e689503a41.jpg?v=1785152707","url":"https:\/\/centerfiresystems.com\/products\/fail-zero-450-bushmaster-ar-15-bolt-carrier-group-no-hammer-nickel-boron","provider":"Centerfire Systems","version":"1.0","type":"link"}