{"product_id":"faxon-firearms-duty-series-gunner-ar-15-barrel-10-5in-300-blackout-nitride-15a38p10ngq","title":"Faxon Firearms Duty Series Gunner AR-15 Barrel, 10.5in .300 Blackout Nitride 15A38P10NGQ","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Faxon Firearms Duty Series Gunner Profile 10.5\" .300 Blackout (300 BLK) AR-15 barrel is built for compact, hard-use builds that demand reliable cycling and balanced handling. Machined from rugged 4150 CMV steel and finished with salt bath nitride inside and out, this barrel is engineered for corrosion resistance, easy maintenance, and long service life. The Gunner profile blends strength where it matters with reduced forward weight for quick maneuverability, while the pistol-length gas system is optimized for .300 BLK performance with both subsonic and supersonic loads. Each barrel is button rifled with a 1:8 twist and subjected to stringent quality control including stress relief, air-gauge testing, magnetic particle inspection (MPI), and headspace verification.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDuty Series Gunner profile balances Government-contour strength with pencil-profile weight savings for fast handling.\u003c\/li\u003e\n  \u003cli\u003ePistol-length gas system optimized for .300 Blackout reliability in short AR-15 platforms (suppressed or unsuppressed).\u003c\/li\u003e\n  \u003cli\u003e4150 CMV mil-spec steel construction for durability and heat resistance under sustained firing.\u003c\/li\u003e\n  \u003cli\u003eSalt bath nitride finish (inside \u0026amp; out) enhances corrosion resistance and wear life.\u003c\/li\u003e\n  \u003cli\u003eQuality checked: stress relieved, air-gauge tested, MPI inspected, and headspace verified.\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 15A38P10NGQ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 816341023215\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCaliber\/Chamber:\u003c\/strong\u003e .300 Blackout (300 BLK)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Length:\u003c\/strong\u003e 10.5 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfile:\u003c\/strong\u003e Gunner\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas System:\u003c\/strong\u003e Pistol-length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4150 CMV\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRifling Method:\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 Salt bath nitride (inside \u0026amp; out)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Threads:\u003c\/strong\u003e 5\/8x24\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Diameter:\u003c\/strong\u003e 0.750 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 M4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCrown:\u003c\/strong\u003e 11° target crown\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.10 lb\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":44077093486714,"sku":"FLX-173823","price":168.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/283695475.png?v=1767634648","url":"https:\/\/tlooutdoors.com\/products\/faxon-firearms-duty-series-gunner-ar-15-barrel-10-5in-300-blackout-nitride-15a38p10ngq","provider":"TLO Outdoors","version":"1.0","type":"link"}