Proof Research Zermatt Origin Carbon Fiber Prefit Barrel 308 Winchester 20" 1:10" Twist

Overview

The Proof Research Zermatt Origin Carbon Fiber Prefit Barrel is engineered for match-grade accuracy and exceptional durability. Built with aerospace-grade carbon fiber wrapped around a double-stress relieved 416R stainless steel core, this barrel features a specific strength up to 30 times greater and stiffness up to 7 times greater than stainless steel. Its proprietary helical wrapping pattern enhances longitudinal thermal diffusivity, allowing the barrel to efficiently dissipate heat, cool faster, and maintain point-of-impact consistency during extended strings of fire. Designed for a short Origin action in .308 Winchester, it features a 20-inch barrel length, a 1:10 twist rate, a 5/8-24 muzzle thread, and a Sendero contour, bringing its total weight to 2 pounds, 11 ounces.

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