PROOF Research Sig Sauer Cross 18" .308 Win 1:10 Carbon Fiber Pre-Fit Barrel

The PROOF ResearchA(R) Sig SauerA(R) Cross 18" .308 Win 1:10 Carbon Fiber Barrel 5/8x24 threads provide compatibility with your favorite barrel-mounted accessories such as muzzle brakes, flash hiders, and suppressors. Plus, this drop-in barrel features a 1:10 twist ratio for the ultimate precision with extremely durable carbon fiber construction and a proprietary matrix resin that offers superior heat dissipation and superior strength for long-lasting field use. Made in USA.