{"product_id":"faxon-duty-bbl-556nato-16-gnnr-blk","title":"Faxon Firearms - Duty Series Gunner Profile 16\" 5.56 NATO Barrel","description":"\u003cp\u003eThe \u003cb\u003eFaxon Duty Series Gunner Profile 16\" 5.56 NATO AR-15 Barrel\u003c\/b\u003e is a testament to Faxon's commitment to quality and innovation. Designed for optimal performance, this barrel features a unique Gunner profile that combines the rigidity of a Government profile with the lightweight characteristics of a Pencil profile. This design ensures that the barrel remains stiff where it counts, while shedding unnecessary weight to improve handling and balance.\u003c\/p\u003e\u003cp\u003eConstructed from \u003cb\u003e4150 CMV bar stock\u003c\/b\u003e, the barrel is salt-bath QPQ nitrided inside and out, providing superior hardness and corrosion resistance. The mid-length gas system is engineered for a softer recoil impulse, reducing wear and enhancing performance when used with suppressors. Each barrel is meticulously machined, stress relieved, and qualified to ensure precision and reliability.\u003c\/p\u003e\u003cp\u003eThis barrel is headspaced and ready to install, featuring an M4 feed-ramp extension torqued to 150 ft-lb and pinned. Its versatility is further enhanced by compatibility with a wide range of AR-15 components, making it an ideal choice for home-defense carbines, training rifles, and competition builds.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCartridge\/Chamber:\u003c\/b\u003e 5.56 NATO, compatible with .223 Remington\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength:\u003c\/b\u003e 16.13\" (16\" nominal)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProfile:\u003c\/b\u003e Gunner - combines Government taper and Pencil weight\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 for enhanced durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas System:\u003c\/b\u003e Mid-length with .081\" port size\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTwist\/Rifling:\u003c\/b\u003e 1:8 RH, 6-groove button rifling\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight:\u003c\/b\u003e 1.37 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMuzzle Thread:\u003c\/b\u003e 1\/2x28 UNEF-2A, compatible with various muzzle devices\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHeadspace:\u003c\/b\u003e 100% checked with 5.56 go\/no-go gauge\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\u003cp\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMuzzle Devices:\u003c\/b\u003e Compatible with 1\/2x28 threaded devices, including MuzzLok 5.56 flash hider and Gunner 3-port brake\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtension:\u003c\/b\u003e M4 feed ramps, black oxide finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Block:\u003c\/b\u003e .625\" low-profile, adjustable or fixed\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHandguard Compatibility:\u003c\/b\u003e Fits any free-float handguard that clears a .750\" step\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAmmunition:\u003c\/b\u003e Suitable for 55 to 77 gr bullets\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGas Journal:\u003c\/b\u003e .625\" (.6240–.6247\"), 1.9\" long\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Faxon Firearms","offers":[{"title":"Default Title","offer_id":47364911988825,"sku":"RSR-FX15A58M16NGQ","price":199.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/9860\/2329\/files\/faxon_RSR-FX15A58M16NGQ-1.jpg?v=1791061317","url":"https:\/\/mountainready.online\/products\/faxon-duty-bbl-556nato-16-gnnr-blk","provider":"mountainready.online","version":"1.0","type":"link"}