PROOF Research Zermatt Arms TL3 / SR3 Origin 20" .308 Win 1:10 Carbon Fiber Pre-Fit Barrel

The PROOF Research® Zermatt Arms TL3 / SR3 Origin 20" .308 Win 1:10 Carbon Fiber Barrel features 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 drop-in barrel is constructed with aerospace-grade, high-strength carbon fiber impregnated with a proprietary matrix resin, this barrel provides improved heat dissipation for a cooler, longer lasting barrel. Features M27 breech thread. 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.