Proof Research Impact Precision 787R Carbon Fiber Prefit Barrel 7mm PRC 22" Sendero Contour 1:8" Twist 5 Groove

Overview

The Proof Research carbon fiber prefit barrel is chambered in 7mm PRC with a 22-inch length and a 1:8-inch twist rate. Featuring a Sendero contour and 5-groove rifling, this barrel is designed for match-grade accuracy and durability. The barrel is produced in-house from double-stress relieved 416R stainless steel, which is then drilled, contoured, and reamed. The aerospace-grade carbon fiber wrap is applied using a helical pattern that promotes longitudinal thermal diffusivity, allowing the barrel to dissipate heat more efficiently than steel alone. This design aids in faster cooling and helps maintain accuracy during extended firing sessions.

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