Experience superior performance with the Proof Research AR-Style 300 Blackout 12.5" Carbon Barrel. Engineered to be up to 64% lighter than traditional steel counterparts this barrel offers enhanced maneuverability without sacrificing strength. Its rifled bore and 1:7 twist rate ensure precise bullet stabilization making it ideal for a variety of shooting applications. The carbon fiber wrap combined with a proprietary matrix resin not only improves heat dissipation but also extends barrel longevity. Designed as a pistol-length barrel it provides a perfect balance of durability and lightweight construction. Upgrade your firearm with this advanced carbon fiber barrel and enjoy improved accuracy and reliability.