Proof Research PR10 PXT Carbon Fiber Barrel 6.5 Creedmoor 20" 1:7.5 Twist

The Proof Research PR10 PXT barrel in 6.5 Creedmoor delivers a new evolution in barrel technology, combining advanced PXT (PROOF Exponential Twist) rifling geometry with carbon fiber construction. PXT progressively varies the twist rate to reduce engraving force, minimize throat erosion, and maximize precision. This 20-inch barrel features a 1:7.5 twist rate and is designed for PR10 pattern AR-10 platform rifles. Built to the exacting standards PROOF Research is known for in performance and precision.