Proof Research 6mm ARC 20″ Carbon Fiber AR Barrel

Upgrade your rifle with the Proof Research 6mm ARC 20″ AR-Style Barrel. Engineered for precision, this carbon fiber wrapped barrel is up to 64% lighter than traditional steel designs, enhancing maneuverability without compromising durability. Its 1:7.5″ twist rate and 4-groove configuration ensure superior accuracy and stability. The +1 length gas system and 5/8-24 tpi threading make it a versatile addition to your setup. Experience improved heat dissipation for a cooler, longer-lasting shooting experience with Proof Research’s aerospace-grade materials.