PROOF Research PXT AR Barrel 152171 16" 6MM ARC Carbon Fiber 7.5 PXT Rifle Gas AR-15 Compatibility

This PROOF Research PR15 PXT barrel is a 16-inch, carbon fiber-wrapped AR-15 barrel chambered in 6mm ARC, combining a steel core with advanced composite construction for reduced weight and increased rigidity. It uses PROOFs PXT (PROOF Exponential Twist) rifling system and is configured as a finished, ready-to-install AR-15 pattern barrel with a 7.5 PXT twist rate, rifle-length gas system, .750 gas journal, and 5/8x24 muzzle threads for compatibility with common AR-15 components.

• 16-inch carbon fiber-wrapped 6mm ARC AR-15 barrel
• 7.5 PXT twist with rifle-length gas system
• .750 gas journal and 5/8x24 threaded muzzle

Designed for modern AR-15 builds, this PROOF Research PXT barrel offers a balance of precision-focused performance and weight savings for 6mm ARC rifles. It is suitable for enthusiasts seeking a premium, ready-to-install barrel that incorporates the latest rifling technology in a carbon fiber configuration.