{"product_id":"faxon-firearms-gunner-lightweight-ar-15-5-56x45mm-nato-bolt-carrier-group-nitride","title":"Faxon Firearms Gunner Lightweight AR-15 5.56x45mm NATO Bolt Carrier Group - Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eFaxon Firearms Gunner Lightweight Bolt Carrier Group\u003c\/strong\u003e\u003c\/span\u003e is a complete reduced-mass operating assembly for \u003cstrong\u003eAR-15 rifles\u003c\/strong\u003e chambered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003e.223 Remington and 5.56x45mm NATO\u003c\/strong\u003e\u003c\/span\u003e. Its \u003cstrong\u003eM16-pattern carrier\u003c\/strong\u003e retains the full-auto trip for compatible fire-control and multi-stage trigger systems, while the reduced-mass Gunner geometry and optimized cam path are designed for smoother cycling and faster follow-up shots. The complete assembly weighs \u003cstrong\u003e8.5 oz\u003c\/strong\u003e, and Faxon recommends an \u003cstrong\u003eadjustable gas block\u003c\/strong\u003e to tune gas flow for proper operation.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt the heart of the group is a \u003cstrong\u003e9310 tool steel bolt\u003c\/strong\u003e that is fully MIL-SPEC heat-treated, shot-peened, magnetic-particle inspected and salt-bath nitrided. The rear surfaces of the locking lugs are chamfered to support reliable cycling. Its \u003cstrong\u003eS7 tool steel extractor\u003c\/strong\u003e is fully heat-treated, MIL-SPEC shot-peened and salt-bath nitrided, with the \u003cstrong\u003eextractor spring, insert and Crane O-ring\u003c\/strong\u003e installed.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe reduced-mass carrier is machined from \u003cstrong\u003e8620 steel\u003c\/strong\u003e and receives Faxon's \u003cstrong\u003eSuperfinish treatment\u003c\/strong\u003e. It includes \u003cstrong\u003eforward-assist serrations\u003c\/strong\u003e and remains compatible with a standard dust cover. The \u003cstrong\u003e4140 steel gas key\u003c\/strong\u003e is fully heat-treated and salt-bath nitrided, then secured with \u003cstrong\u003eGrade 8 fasteners\u003c\/strong\u003e, fully staked and Permatex sealed. A pre-hardened \u003cstrong\u003e4140 steel cam pin\u003c\/strong\u003e with the same nitride treatment completes the operating components. The carrier and key weigh \u003cstrong\u003e6.32 oz\u003c\/strong\u003e without the bolt and pins.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eA \u003cstrong\u003eQPQ salt-bath-nitride finish\u003c\/strong\u003e is applied across the assembly to increase surface hardness while reducing friction and improving wear and corrosion resistance. Each carrier is marked with a \u003cstrong\u003elaser-engraved Faxon shield\u003c\/strong\u003e after inspection. This bolt carrier group is offered in \u003cspan style=\"background-color: #ffff00;\"\u003e\u003cstrong\u003eNew condition\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003e\u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eDISCLAIMER:\u003c\/span\u003e\u003c\/strong\u003e Firearms and receivers are subject to state-specific shipping restrictions and must be transferred through a valid FFL dealer. Please visit \u003ca href=\"\/shipping-restrictions\/\" target=\"_blank\"\u003eour shipping restrictions page\u003c\/a\u003e to review all applicable restrictions for your state. Subject to change.\u003c\/span\u003e\u003c\/p\u003e","brand":"Faxon Firearms","offers":[{"title":"Default Title","offer_id":54988230099266,"sku":"161583","price":224.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_c8a972b2-ada0-45ca-ac2a-8cc08c779f26.png?v=1784128964","url":"https:\/\/centerfiresystems.com\/products\/faxon-firearms-gunner-lightweight-ar-15-5-56x45mm-nato-bolt-carrier-group-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}