{"product_id":"faxon-firearms-duty-series-gunner-5-56x45mm-nato-18-1-8-twist-4150-steel-ar-15-barrel","title":"Faxon Firearms Duty Series Gunner 5.56x45mm NATO 18\" 1:8 Twist 4150 Steel AR-15 Barrel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eFaxon Firearms Duty Series Gunner\u003c\/span\u003e\u003c\/strong\u003e profile barrel is an \u003cstrong\u003e18-inch\u003c\/strong\u003e replacement barrel chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e and built for the \u003cstrong\u003eAR-15 \/ M16\u003c\/strong\u003e platform. Machined from \u003cstrong\u003e4150 mil-spec steel\u003c\/strong\u003e with a \u003cstrong\u003ebutton-rifled\u003c\/strong\u003e bore cut at a \u003cstrong\u003e1:8\" twist\u003c\/strong\u003e, the barrel is finished in \u003cstrong\u003eQPQ Black Nitride\u003c\/strong\u003e for a hard, corrosion-resistant surface that is easier to clean and maintain than bare steel.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003eGunner profile\u003c\/strong\u003e combines weight savings at the muzzle with the rearward mass needed for chamber-area rigidity, helping balance a complete rifle without sacrificing strength where it counts. A \u003cstrong\u003etarget crown\u003c\/strong\u003e supports consistent accuracy with the button-rifled bore, and the \u003cstrong\u003eDuty Series\u003c\/strong\u003e line is built for hard use and reliable performance on AR-15 and M16 rifles.\u003c\/span\u003e\u003c\/p\u003e","brand":"Faxon Firearms","offers":[{"title":"Default Title","offer_id":55011073360194,"sku":"161577","price":170.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_19af1bea-2d24-4655-94b7-7ec644dd584f.png?v=1784636362","url":"https:\/\/centerfiresystems.com\/products\/faxon-firearms-duty-series-gunner-5-56x45mm-nato-18-1-8-twist-4150-steel-ar-15-barrel","provider":"Centerfire Systems","version":"1.0","type":"link"}