{"product_id":"lead-steel-ar9-9mm-16-1-10-twist-1-2x36-nitride-barrel","title":"Lead \u0026 Steel AR9 9mm 16\" 1:10 Twist 1\/2x36 Nitride Barrel","description":"\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eThe \u003cstrong\u003e\u003cspan style=\"background-color: #ffff00;\"\u003eLead \u0026amp; Steel AR-9\u003c\/span\u003e\u003c\/strong\u003e barrel is a straight-profile replacement barrel purpose-built for \u003cstrong\u003e9mm Luger\u003c\/strong\u003e pistol-caliber AR platforms. Cut from \u003cstrong\u003e4150 Chrome Moly Vanadium Steel\u003c\/strong\u003e and finished in a corrosion-resistant \u003cstrong\u003eQPQ Black Nitride\u003c\/strong\u003e coating, this barrel is designed for shooters building or refreshing a blowback-style 9mm carbine where reliability and ease of cleaning matter.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eAt \u003cstrong\u003e16 inches\u003c\/strong\u003e in a \u003cstrong\u003estraight profile\u003c\/strong\u003e, the barrel measures approximately \u003cstrong\u003e24.3 oz\u003c\/strong\u003e and carries a \u003cstrong\u003e1:10 twist\u003c\/strong\u003e rate optimized for stabilizing common 9mm bullet weights. Muzzle threading is cut to \u003cstrong\u003e1\/2x36\u003c\/strong\u003e, allowing straightforward mounting of 9mm-appropriate muzzle devices. The barrel uses a simple-blowback gas system, so no gas block or gas tube is required for installation.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size: 14pt;\"\u003eWhether you are assembling a dedicated PCC, replacing a worn factory barrel, or building an AR-9 around a specific upper, this Lead \u0026amp; Steel barrel delivers the fit, finish, and geometry to drop in and go.\u003c\/span\u003e\u003c\/p\u003e","brand":"Lead \u0026 Steel","offers":[{"title":"Default Title","offer_id":55054584348994,"sku":"185365","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/7921\/5682\/files\/hires_2328469c-b65a-485e-9c28-f6ffb26da8bd.png?v=1784720692","url":"https:\/\/centerfiresystems.com\/products\/lead-steel-ar9-9mm-16-1-10-twist-1-2x36-nitride-barrel","provider":"Centerfire Systems","version":"1.0","type":"link"}