{"product_id":"faxon-duty-bbl-556nato-12-5-mid-gnr","title":"Faxon Firearms - Duty Series Gunner Profile 12.5\" 5.56 NATO Barrel","description":"\u003cp data-mr-notice=\"state-restrictions\"\u003e\u003cb\u003e⚠ STATE RESTRICTIONS:\u003c\/b\u003e \u003cb\u003eThis item cannot be shipped to Connecticut, Illinois, New Jersey or Washington. Orders shipping to these states will be cancelled and issued a full refund.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eThe \u003cb\u003eFaxon Duty Series Gunner Profile 12.5\" 5.56 NATO AR-15 Barrel\u003c\/b\u003e is engineered for those who demand a balance of performance and weight in their suppressed short-barreled rifles (SBRs). Crafted from \u003cb\u003e4150 CMV steel\u003c\/b\u003e and finished with a \u003cb\u003esalt-bath QPQ nitride\u003c\/b\u003e for superior hardness and corrosion resistance, this barrel is designed to excel in demanding conditions. The \u003cb\u003emid-length gas system\u003c\/b\u003e ensures a softer unlock and reduced gas blowback when suppressed, making it ideal for tactical applications.\u003c\/p\u003e\n\u003cp\u003eThe Gunner profile combines a \u003cb\u003eGovernment taper\u003c\/b\u003e behind the gas block with a straight section ahead, maintaining a lightweight design at \u003cb\u003e1.22 lbs\u003c\/b\u003e while providing a full shoulder for muzzle devices. This barrel is meticulously machined in Greater Cincinnati, Ohio, ensuring precision and reliability. With its 1:8 twist rate, it stabilizes a wide range of bullet weights, from 55 to 77 grains, making it versatile for various shooting scenarios.\u003c\/p\u003e\n\u003cp\u003eEvery barrel is \u003cb\u003eheadspaced and ready\u003c\/b\u003e with an M4-ramp extension, torqued and pinned for robust performance. The Faxon Duty Series has been recognized with the Gold Award by Shooting Sports Retailer for its exceptional quality and performance, making it a top choice for firearm enthusiasts and professionals alike.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBarrel Length:\u003c\/b\u003e 12.5\" (12.505\" on the print)\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\u003eProfile:\u003c\/b\u003e Gunner with Government taper and straight section\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 1.22 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwist Rate:\u003c\/b\u003e 1:8 RH, 6-groove button rifling\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas System:\u003c\/b\u003e Mid-length with .089\" port\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMuzzle Thread:\u003c\/b\u003e 1\/2x28 UNEF-2A\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtension:\u003c\/b\u003e M4 feed ramps, black oxide, torqued to 150 ft-lb, pinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMade in:\u003c\/b\u003e Greater Cincinnati, Ohio, USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWarranty:\u003c\/b\u003e Faxon Lifetime Guarantee\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\u003eCartridge\/Chamber:\u003c\/b\u003e 5.56 NATO (fires 5.56 NATO and .223 Rem)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Journal:\u003c\/b\u003e .625\" (.6240–.6247\"), 1.9\" long\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHeadspace:\u003c\/b\u003e 100%, 5.56 go\/no-go gauge after assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Block Diameter:\u003c\/b\u003e .625\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Tube:\u003c\/b\u003e Mid-length: Faxon 304 stainless mid-length gas tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMuzzle Devices:\u003c\/b\u003e Compatible with 1\/2x28 MuzzLok flash hider, Gunner 3-port brake, A2\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAmmunition:\u003c\/b\u003e 55 to 77 gr; 5.56 NATO and .223 Remington\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Faxon Firearms","offers":[{"title":"Default Title","offer_id":47336198275161,"sku":"RSR-FX15A58M125NGQ","price":187.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9860\/2329\/files\/faxon_RSR-FX15A58M125NGQ-1.jpg?v=1791061284","url":"https:\/\/mountainready.online\/products\/faxon-duty-bbl-556nato-12-5-mid-gnr","provider":"mountainready.online","version":"1.0","type":"link"}