{"product_id":"faxon-firearms-duty-series-16in-socom-profile-5-56-nato-ar-15-barrel-nitride-15a58m16nsq","title":"Faxon Firearms Duty Series 16in SOCOM Profile 5.56 NATO AR-15 Barrel, Nitride 15A58M16NSQ","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Faxon Firearms Duty Series 16\" 5.56 NATO barrel is built for hard-use AR-15\/M16 style rifles, combining a SOCOM-profile contour with a mid-length gas system for dependable function and consistent performance. Manufactured from 4150 CMV\/Mil-Spec steel and treated with a QPQ black nitride finish inside and out, it delivers enhanced wear and corrosion resistance for easier maintenance and long service life. A precision 11° target crown helps support repeatable accuracy, while standard 1\/2-28 muzzle threads and an M4 barrel extension provide broad compatibility with common AR builds.\u003c\/p\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDuty Series 16\" 5.56x45mm NATO AR-15\/M16 barrel with SOCOM profile for added stability during sustained fire\u003c\/li\u003e\n  \u003cli\u003eMid-length gas system designed to promote smoother cycling and reduced component wear versus shorter gas systems\u003c\/li\u003e\n  \u003cli\u003e4150 CMV\/Mil-Spec steel construction with QPQ black nitride treatment on bore and exterior for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eButton-rifled 1:8 twist rate to stabilize a wide range of common 5.56\/.223 bullet weights\u003c\/li\u003e\n  \u003cli\u003e11° target crown, 1\/2-28 muzzle threads, and M4 barrel extension for build-friendly compatibility\u003c\/li\u003e\n\u003c\/ul\u003e\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 15A58M16NSQ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 816341020108\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber\/Chamber:\u003c\/strong\u003e 5.56 NATO (accepts .223 Remington per manufacturer listing)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 16\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e SOCOM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4150 CMV \/ Mil-Spec 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 QPQ \/ Black Nitride (inside \u0026amp; out)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas System Length:\u003c\/strong\u003e Mid-length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Diameter:\u003c\/strong\u003e 0.750\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Journal Length:\u003c\/strong\u003e 1.9\"\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Threads:\u003c\/strong\u003e 1\/2-28\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrown:\u003c\/strong\u003e 11° Target Crown\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Extension:\u003c\/strong\u003e M4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprox. Weight:\u003c\/strong\u003e 1.73 lb\u003c\/li\u003e\n\u003c\/ul\u003e\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":44077119832186,"sku":"FLX-161576","price":186.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/283695354.png?v=1767637600","url":"https:\/\/tlooutdoors.com\/products\/faxon-firearms-duty-series-16in-socom-profile-5-56-nato-ar-15-barrel-nitride-15a58m16nsq","provider":"TLO Outdoors","version":"1.0","type":"link"}