{"product_id":"fail-zero-6-8-spc-ar-15-bolt-carrier-group-exo-nickel-boron-no-hammer","title":"Fail Zero 6.8 SPC AR-15 Bolt Carrier Group - EXO Nickel Boron - No Hammer","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eFail Zero 6.8 SPC Bolt Carrier Group\u003c\/span\u003e\u003c\/strong\u003e is purpose-built for \u003cstrong\u003eAR-15\u003c\/strong\u003e upper receivers chambered in the \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e6.8mm Remington SPC\u003c\/span\u003e\u003c\/strong\u003e cartridge. Fully assembled and ready to drop into most \u003cstrong\u003eMil-Spec\u003c\/strong\u003e upper receivers, this \u003cstrong\u003eBCG\u003c\/strong\u003e gives builders of 6.8 SPC AR-platform rifles a drop-in component engineered for reliable cycling.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eFail Zero's signature \u003cstrong\u003eEXO Nickel Boron\u003c\/strong\u003e coating reduces friction across the bolt and carrier for smoother function, easier cleaning, and improved corrosion resistance. The carrier is machined from \u003cstrong\u003e8620 steel\u003c\/strong\u003e and the bolt from \u003cstrong\u003eMIL-SPEC Carpenter 158 steel\u003c\/strong\u003e, the same material combination used in service-grade M16 and AR-15 bolts. This configuration is supplied \u003cstrong\u003ewithout a hammer\u003c\/strong\u003e, letting the builder select and install their preferred hammer in the lower assembly.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eDesigned as a direct replacement or upgrade for any Mil-Spec upper chambered in 6.8 SPC, the assembly is finished in a clean \u003cstrong\u003esilver nickel boron\u003c\/strong\u003e that sheds carbon more readily than standard phosphate or nitride finishes. Drop it into your existing 6.8 SPC upper and pair it with your preferred lower parts kit to complete a precision AR-15 build.\u003c\/span\u003e\u003c\/p\u003e","brand":"Fail Zero","offers":[{"title":"Default Title","offer_id":55325192061250,"sku":"FZ68SPC01NH","price":166.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_39bd95ce-b7f7-4dfd-9f3a-7c78c4eea60b.jpg?v=1785153025","url":"https:\/\/centerfiresystems.com\/products\/fail-zero-6-8-spc-ar-15-bolt-carrier-group-exo-nickel-boron-no-hammer","provider":"Centerfire Systems","version":"1.0","type":"link"}