Proof Research PR-15 Rifle Barrel 223 Wylde 18" 1:8 Twist Carbon Fiber

The Proof Research PR-15 is a premium AR-15 compatible barrel chambered in 223 Wylde, offering compatibility with both .223 Remington and 5.56 NATO ammunition. Featuring an 18-inch length with a 1:8 twist rate, this barrel is built with Proof Research's carbon fiber wrapped steel construction for exceptional rigidity, reduced weight, and superior heat dissipation compared to traditional steel barrels. Designed for precision shooters demanding accuracy and performance from their AR-15 platform builds.