{"product_id":"faxon-firearms-duty-series-pencil-ar-15-barrel-10-5in-5-56-nato-qpq-nitride-15a58c10npq","title":"Faxon Firearms Duty Series Pencil AR-15 Barrel 10.5in 5.56 NATO QPQ Nitride 15A58C10NPQ","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe Faxon Firearms Duty Series Pencil Profile 10.5 inch AR-15 barrel is built for lightweight, compact 5.56 NATO platforms where fast handling and duty-grade reliability matter. Manufactured in-house from certified 4150 CMV steel and finished in black nitride inside and out, this barrel is designed for extended service life and easier maintenance. Each barrel is fully stress relieved and air-gauge tested, then finished with an 11 degree target crown to help deliver consistent accuracy. For quality assurance, barrels are magnetic particle inspected and individually headspace checked using precision custom hardened gauges.\u003c\/p\u003e\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDuty Series pencil profile reduces front-end weight for improved balance on compact AR-15 builds\u003c\/li\u003e\n  \u003cli\u003e4150 CMV steel construction with black nitride finish inside and out for wear and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eCarbine-length gas system paired with a 10.5 inch barrel for reliable cycling and easier tuning\u003c\/li\u003e\n  \u003cli\u003e1:8 twist button rifling and 11 degree target crown to support repeatable accuracy\u003c\/li\u003e\n  \u003cli\u003eQuality control includes stress relief, air-gauge testing, magnetic particle inspection, and individual headspace checks\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 15A58C10NPQ\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 816341023086\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCartridge:\u003c\/strong\u003e 5.56 NATO\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 Pencil\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 4150 CMV steel\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\u003eGas System:\u003c\/strong\u003e Carbine-length\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\u003eMuzzle Thread:\u003c\/strong\u003e 1\/2-28 TPI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Diameter:\u003c\/strong\u003e 0.625 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGas Block Journal Length:\u003c\/strong\u003e 1.1 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBarrel Extension:\u003c\/strong\u003e M4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuzzle Crown:\u003c\/strong\u003e 11 degree target crown\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 0.90 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":44098649784442,"sku":"FLX-169220","price":178.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1679\/0365\/files\/290715565.png?v=1771076668","url":"https:\/\/tlooutdoors.com\/products\/faxon-firearms-duty-series-pencil-ar-15-barrel-10-5in-5-56-nato-qpq-nitride-15a58c10npq","provider":"TLO Outdoors","version":"1.0","type":"link"}