{"product_id":"faxon-bbl-8-6blk-16-big-gunner","title":"Faxon Firearms - Duty Series Gunner Profile 16\" 8.6 BLK AR10 Barrel","description":"\u003cp\u003eThe \u003cb\u003eFaxon Duty Series Gunner Profile 16\" 8.6 BLK AR10 Barrel\u003c\/b\u003e is a meticulously engineered component designed for the AR-10 platform. This barrel is crafted from \u003cb\u003e4150 CMV steel\u003c\/b\u003e and features a \u003cb\u003eQPQ nitride finish\u003c\/b\u003e for enhanced hardness and corrosion resistance. With a unique \u003cb\u003e1:3 twist rate\u003c\/b\u003e, this barrel is optimized for stabilizing heavy subsonic rounds, making it ideal for suppressed shooting applications. The Gunner profile maintains a balance of strength and weight, ensuring durability without unnecessary bulk.\u003c\/p\u003e\n\u003cp\u003eDesigned to accommodate a wide range of ammunition, this barrel is chambered for the \u003cb\u003e8.6 Blackout\u003c\/b\u003e cartridge, which was SAAMI-accepted in January 2026. The carbine-length gas system, with a .104\" port, provides reliable cycling for both supersonic and subsonic loads. This barrel is perfect for those looking to build a versatile AR-10 rifle capable of handling various shooting scenarios.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCaliber:\u003c\/b\u003e 8.6 BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBarrel Length:\u003c\/b\u003e 16.13\" (16\" nominal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e 4150 CMV bar stock\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Salt-bath QPQ nitride, bore and exterior\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwist Rate:\u003c\/b\u003e 1:3 RH, 5-groove button rifling\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas System:\u003c\/b\u003e Carbine-length; .104\" port\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 2.2 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMuzzle Thread:\u003c\/b\u003e M18x1.5-6g, 20° tapered shoulder\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Block Diameter:\u003c\/b\u003e .875\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMade in:\u003c\/b\u003e Greater Cincinnati, Ohio, USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProfile:\u003c\/b\u003e Gunner (AR-10; formerly Big Gunner)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Journal:\u003c\/b\u003e .875\" (.8740–.8747\"), 1.9\" long\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtension:\u003c\/b\u003e FF-300 DPMS Gen 1 pattern .308 extension, black oxide\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHeadspace:\u003c\/b\u003e 100%, 8.6 BLK go\/no-go gauge after assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAmmunition:\u003c\/b\u003e 150–180 gr supersonic, 210–300+ gr subsonic\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e Faxon Lifetime Guarantee\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Faxon Firearms","offers":[{"title":"Default Title","offer_id":47336197226585,"sku":"RSR-FX10A863C16NGQ","price":261.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9860\/2329\/files\/faxon_RSR-FX10A863C16NGQ-1.jpg?v=1791061257","url":"https:\/\/mountainready.online\/products\/faxon-bbl-8-6blk-16-big-gunner","provider":"mountainready.online","version":"1.0","type":"link"}