{"product_id":"lead-steel-ls300-16-300-blackout-16-1-7-government-profile-barrel","title":"Lead \u0026 Steel LS300-16 .300 Blackout 16\" 1:7 Government Profile Barrel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLead \u0026amp; Steel LS300-16\u003c\/span\u003e\u003c\/strong\u003e is a \u003cstrong\u003e16\"\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003e.300 Blackout\u003c\/span\u003e\u003c\/strong\u003e replacement barrel turned from \u003cstrong\u003e4150 Chrome Moly Vanadium steel\u003c\/strong\u003e and treated with a wear-resistant \u003cstrong\u003eQPQ black nitride\u003c\/strong\u003e finish. Machined in the classic \u003cstrong\u003egovernment profile\u003c\/strong\u003e, the LS300-16 is purpose-built for \u003cstrong\u003e.300 AAC Blackout\u003c\/strong\u003e AR-pattern rifle builds.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eChambered for \u003cstrong\u003e.300 AAC Blackout\u003c\/strong\u003e and rifled with a \u003cstrong\u003e1:7\u003c\/strong\u003e rate of twist, the LS300-16 is built to stabilize a wide range of bullet weights used in the cartridge. The \u003cstrong\u003eQPQ black nitride\u003c\/strong\u003e treatment hardens both the inner bore and the exterior surface, reduces friction for easier cleaning, and provides long-lasting corrosion resistance whether the rifle sees hard use, frequent shooting sessions, or all-weather carry.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eEngineered to drop into a standard \u003cstrong\u003eAR-15\u003c\/strong\u003e-pattern upper receiver, the LS300-16 is a straightforward swap-in for shooters building, re-barreling, or upgrading a \u003cstrong\u003e.300 BLK\u003c\/strong\u003e rifle or carbine. Each barrel ships ready to install, backed by Lead \u0026amp; Steel's reputation for duty-grade components.\u003c\/span\u003e\u003c\/p\u003e","brand":"Lead \u0026 Steel","offers":[{"title":"Default Title","offer_id":55054666858818,"sku":"185371","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_00b3dccd-25c9-4b4a-baf6-8b37bb197d7b.png?v=1784720789","url":"https:\/\/centerfiresystems.com\/products\/lead-steel-ls300-16-300-blackout-16-1-7-government-profile-barrel","provider":"Centerfire Systems","version":"1.0","type":"link"}