PROOF 100042 PR156.5CM 20 8T 4G 5/8-24 CF

Up to 64% lighter than traditional steel barrels of similar contour. Improved heat dissipation for cooler and longer lasting barrels. Wrapped with high-strength, aerospace-grade carbon fiber impregnated with a proprietary matrix resin.

Proof Research 100042 AR-Style Barrel6.5 Creedmoor 20″ Rifle +2 Length Gas System 1:8″ Twist 4 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped