{"product_id":"diamondback-db-barrel-5-56x45mm-nato-5-50-1-8-pistol-length-black-nitride","title":"Diamondback DB Barrel 5.56x45mm NATO 5.50\" 1:8 Pistol-Length Black Nitride","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eDiamondback DB Barrel\u003c\/span\u003e\u003c\/strong\u003e is a factory OEM replacement barrel designed for the Diamondback DB15 platform and other AR-15-pattern builds. Chambered in \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e5.56x45mm NATO\u003c\/span\u003e\u003c\/strong\u003e with a compact \u003cstrong\u003e5.50\" barrel\u003c\/strong\u003e, this replacement component is built around a heavy-profile pistol-length gas system.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eConstructed from \u003cstrong\u003e4150 chrome moly vanadium steel\u003c\/strong\u003e and finished with a \u003cstrong\u003eblack nitride\u003c\/strong\u003e treatment for enhanced wear resistance and corrosion protection, the barrel features a \u003cstrong\u003e1:8 twist rate\u003c\/strong\u003e that reliably stabilizes a wide range of \u003cstrong\u003e5.56 NATO\u003c\/strong\u003e and \u003cstrong\u003e.223 Remington\u003c\/strong\u003e bullet weights. The \u003cstrong\u003eheavy profile\u003c\/strong\u003e adds rigidity and heat management, making it well suited for AR-15 pistol and short-barrel rifle configurations that see regular firing sessions.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThis is a standalone barrel assembly sold as a direct replacement part or as a component for a custom AR-15 build. Whether you are completing a new pistol build, swapping a worn barrel on an existing Diamondback, or upgrading a donor upper, the DB Barrel delivers the rugged construction and precise rifling that \u003cstrong\u003eDiamondback Firearms\u003c\/strong\u003e builds into its components.\u003c\/span\u003e\u003c\/p\u003e","brand":"Diamondback","offers":[{"title":"Default Title","offer_id":55007012356418,"sku":"148384","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_6caf77b2-b2f9-4340-8009-91565ffa8ac2.png?v=1784584040","url":"https:\/\/centerfiresystems.com\/products\/diamondback-db-barrel-5-56x45mm-nato-5-50-1-8-pistol-length-black-nitride","provider":"Centerfire Systems","version":"1.0","type":"link"}