{"product_id":"faxon-firearms-duty-series-gunner-11-5-inch-5-56-nato-ar-15-barrel-black-nitride-15a58m11ngq","title":"Faxon Firearms Duty Series Gunner 11.5 inch 5.56 NATO AR-15 Barrel, Black Nitride 15A58M11NGQ","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Faxon Firearms Duty Series Gunner Profile 11.5 inch 5.56 NATO barrel is built for lightweight AR-15 builds that still need long-term durability, including suppression-focused setups. Its Gunner contour uses a Government-style taper behind the gas block for strength where it counts, then transitions to a straight forward section with a full shoulder and standard 1\/2-28 muzzle threads for secure muzzle device and suppressor mounting. Manufactured in-house from certified 4150 CMV steel and finished in black nitride inside and out, this barrel is fully stress relieved, air-gauge tested, and individually headspace checked for consistent performance.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eLightweight Gunner profile design helps reduce front-end weight while maintaining structural integrity.\u003c\/li\u003e\n  \u003cli\u003eBlack nitride finish inside and out enhances corrosion resistance and long-term wear durability.\u003c\/li\u003e\n  \u003cli\u003eButton-rifled 1:8 twist rifling offers versatile performance across common 5.56 NATO projectile weights.\u003c\/li\u003e\n  \u003cli\u003eMid-length gas system on an 11.5 inch barrel supports balanced function for compact builds.\u003c\/li\u003e\n  \u003cli\u003eQuality control includes stress relief, air-gauge testing, magnetic particle inspection, and headspace verification.\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 15A58M11NGQ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 816341020016\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 5.56 NATO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 11.5 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Mid-length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Profile:\u003c\/strong\u003e Gunner (Government taper behind gas block; straight to full shoulder)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4150 CMV steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRifling:\u003c\/strong\u003e Button rifled\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwist Rate:\u003c\/strong\u003e 1:8\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black Nitride (inside and out)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Threads:\u003c\/strong\u003e 1\/2-28 TPI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Diameter:\u003c\/strong\u003e 0.625 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Journal Length:\u003c\/strong\u003e 1.7 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Extension:\u003c\/strong\u003e M4\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 Approx. 1.14 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInspection and QC:\u003c\/strong\u003e Stress relieved, air-gauge tested, magnetic particle inspected, headspace checked\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 product's manufacturer.\u003c\/em\u003e\u003c\/p\u003e","brand":"FAXON FIREARMS","offers":[{"title":"Default Title","offer_id":44098683568250,"sku":"FLX-169222","price":176.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/290715553.png?v=1771079958","url":"https:\/\/tlooutdoors.com\/products\/faxon-firearms-duty-series-gunner-11-5-inch-5-56-nato-ar-15-barrel-black-nitride-15a58m11ngq","provider":"TLO Outdoors","version":"1.0","type":"link"}