Enhance your AR15 setup with the CMMG 30DC30A 16.1" .300 Blackout Barrel. Crafted from high-quality 416 stainless steel, this precision-engineered barrel is designed to elevate your shooting experience. With a 1:7 twist rate and pre-head spaced components, this barrel ensures remarkable accuracy and reliability. Its M4 barrel extension is expertly installed for seamless assembly into your custom upper group. 1:7 Twist 416 Stainless steel for exceptional durability 5/8X24 thread pitch for compatibility with various muzzle devices Medium taper profile for optimal balance and handling Carbine length gas port .750" gas block journal, tailored for .300 Blackout chamber Invest in your next shooting adventure with the CMMG 30DC30A barrel.