{"product_id":"faxon-firearms-duty-series-5-56-nato-20-1-8-gunner-profile-ar-15-barrel-black-nitride","title":"Faxon Firearms Duty Series 5.56 NATO 20\" 1:8 Gunner Profile AR-15 Barrel - Black Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eFaxon Firearms Duty Series 20\" Gunner Profile AR-15 barrel\u003c\/span\u003e\u003c\/strong\u003e is a precision-focused \u003cstrong\u003e20\" \u003cspan style=\"background-color: #ffff00;\"\u003e5.56 NATO\u003c\/span\u003e\u003c\/strong\u003e replacement barrel built for long-range accuracy, durability, and a more manageable front-end weight in a complete AR-15 build. Machined from certified \u003cstrong\u003e4150 Mil-Spec CMV steel\u003c\/strong\u003e and finished in \u003cstrong\u003eblack nitride (QPQ)\u003c\/strong\u003e, this barrel delivers the wear resistance, surface hardness, and corrosion protection expected from a modern duty-grade component.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003eGunner profile\u003c\/strong\u003e provides a balanced weight distribution that keeps the muzzle end of the rifle lighter while retaining mass around the chamber and at the \u003cstrong\u003e.625\" gas block journal\u003c\/strong\u003e for improved harmonics and better heat absorption during extended strings of fire. This 20\" barrel uses a versatile \u003cstrong\u003e1:8 twist\u003c\/strong\u003e rate well-suited to a wide range of 5.56 projectile weights for both duty and precision applications.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eA \u003cstrong\u003erifle-length gas system\u003c\/strong\u003e softens felt recoil, slows the bolt cycle, and extends the service life of the bolt and buffer components. Like every Faxon barrel, it is button-rifled, magnetic-particle inspected, and manufactured in the \u003cstrong\u003eUSA\u003c\/strong\u003e to deliver consistent accuracy out of the box.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you are assembling a precision AR-15 rifle or building a heavier-contour duty carbine that still handles well, the \u003cstrong\u003eFaxon Duty Series 20\" Gunner\u003c\/strong\u003e barrel is a no-compromise choice for the serious 5.56 shooter.\u003c\/span\u003e\u003c\/p\u003e","brand":"Faxon Firearms","offers":[{"title":"Default Title","offer_id":55324270625090,"sku":"FF20214","price":176.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/alt_beab6bad-9103-4add-9772-c345940e0ced.jpg?v=1785151140","url":"https:\/\/centerfiresystems.com\/products\/faxon-firearms-duty-series-5-56-nato-20-1-8-gunner-profile-ar-15-barrel-black-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}