{"product_id":"faxon-firearms-duty-series-gunner-ar-15-barrel-400-legend-16in-nitride-4150-cmv-15a4l16c16ngq","title":"Faxon Firearms Duty Series Gunner AR-15 Barrel, 400 Legend 16in Nitride 4150 CMV, 15A4L16C16NGQ","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Faxon Firearms Duty Series Gunner barrel is built for AR-15 platforms chambered in 400 Legend (SAAMI), delivering a balanced blend of strength and handling for hunting and range use. Its Gunner profile merges Government-profile durability with Pencil-profile weight savings to help keep the rifle lively and reduce fatigue during extended sessions. Manufactured from 4150 CMV steel with a salt bath nitride finish inside and out, this 16-inch barrel is engineered for long-term corrosion and wear resistance, with a carbine-length gas system for reliable cycling.\u003c\/p\u003e\n\u003cp\u003eDesigned around straight-wall performance, it features a Big Bore barrel extension and an 11 degree target crown. Each barrel is stress relieved, air-gauge tested, and headspace verified using PTG gauges to support consistent accuracy and dependable function.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eGunner profile balances durability and reduced front-end weight for better maneuverability\u003c\/li\u003e\n  \u003cli\u003e4150 CMV steel construction with salt bath nitride finish for corrosion and wear resistance\u003c\/li\u003e\n  \u003cli\u003eCarbine-length gas system tuned for reliable cycling in 400 Legend AR-15 builds\u003c\/li\u003e\n  \u003cli\u003eBig Bore barrel extension optimized for large-diameter straight-wall cartridges\u003c\/li\u003e\n  \u003cli\u003ePrecision quality control: stress relieved, air-gauge tested, and headspace verified with PTG gauges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Faxon Firearms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 15A4L16C16NGQ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 816341028500\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCartridge:\u003c\/strong\u003e 400 Legend (SAAMI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:16 right-hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Gunner\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas System Length:\u003c\/strong\u003e Carbine-length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4150 CMV steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRifling Method:\u003c\/strong\u003e Button rifled\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Salt bath nitride (inside and out)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Threads:\u003c\/strong\u003e 11\/16x24 TPI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Diameter:\u003c\/strong\u003e 0.875 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Journal Length:\u003c\/strong\u003e 1.9 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Extension:\u003c\/strong\u003e Big Bore\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrown:\u003c\/strong\u003e 11 degree target crown\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.00 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Manufacture:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eDisclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the products manufacturer.\u003c\/em\u003e\u003c\/p\u003e","brand":"FAXON FIREARMS","offers":[{"title":"Default Title","offer_id":44098652799098,"sku":"FLX-171886","price":188.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/285919539.png?v=1771076893","url":"https:\/\/tlooutdoors.com\/products\/faxon-firearms-duty-series-gunner-ar-15-barrel-400-legend-16in-nitride-4150-cmv-15a4l16c16ngq","provider":"TLO Outdoors","version":"1.0","type":"link"}