Proof Research Accuracy International AXMC 18.5" .308 Win 1:10 Carbon Fiber Pre-Fit Barrel

The PROOF ResearchA(R) Accuracy International AXMC 18.5" .308 Win 1:10 Carbon Fiber Barrel provides improved heat dissipation for a cooler, longer-lasting barrel. This barrel is up to 64% lighter compared to traditional steel barrels and has a similar contour and is designed for superior precision and accuracy. A 1:10 twist rate ensures superior precision while the 5/8x24 thread pitch allows you to take advantage of your favorite muzzle devices. This barrel is constructed with aerospace-grade, high-strength carbon fiber impregnated with a proprietary matrix resin. Features M30 breech thread.