{"product_id":"diamondback-db-barrel-5-56x45mm-nato-16-1-8-twist-black-nitride-carbine-length-heavy-profile","title":"Diamondback DB Barrel 5.56x45mm NATO 16\" 1:8 Twist Black Nitride - Carbine Length Heavy Profile","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 heavy-profile replacement barrel chambered in \u003cstrong\u003e5.56x45mm NATO\u003c\/strong\u003e, built for \u003cstrong\u003eAR-15\u003c\/strong\u003e platforms. Cut to a \u003cstrong\u003e16\"\u003c\/strong\u003e length from \u003cstrong\u003e4150 Chrome Moly Vanadium (CMV) steel\u003c\/strong\u003e and finished in \u003cstrong\u003eblack nitride\u003c\/strong\u003e, it carries a \u003cstrong\u003e1:8\"\u003c\/strong\u003e twist well-suited to stabilizing a wide range of common 5.56 projectile weights.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003ecarbine-length\u003c\/strong\u003e gas system makes this barrel a direct fit for standard AR-15 carbine builds, while the \u003cstrong\u003eheavy profile\u003c\/strong\u003e contour adds mass around the chamber and along the bore for improved heat dissipation and added rigidity during extended strings of fire. Diamondback offers this \u003cstrong\u003eDB556C16H50B8NY-R\u003c\/strong\u003e configuration as an OEM-style replacement supplied \u003cstrong\u003ewithout muzzle device threads\u003c\/strong\u003e, giving the builder a blank muzzle to thread to their own specification.\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you're completing a new carbine build, replacing a worn factory barrel, or stepping up from a lighter contour, this \u003cstrong\u003eDiamondback\u003c\/strong\u003e heavy-profile barrel delivers a durable 5.56 NATO chambering in a duty-capable configuration ready for the upper receiver of your choice.\u003c\/span\u003e\u003c\/p\u003e","brand":"Diamondback","offers":[{"title":"Default Title","offer_id":55007089426754,"sku":"148373","price":98.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_a18b75e0-47c3-43b8-9c8d-342a39f52c4a.png?v=1784584586","url":"https:\/\/centerfiresystems.com\/products\/diamondback-db-barrel-5-56x45mm-nato-16-1-8-twist-black-nitride-carbine-length-heavy-profile","provider":"Centerfire Systems","version":"1.0","type":"link"}