Proof Research Defiance Ruckus Carbon Fiber Prefit Barrel 7mm PRC 22" Sendero Contour 1:8" Twist 5 Groove

Overview

The Proof Research Defiance Ruckus prefit barrel is chambered in 7mm PRC with a 22-inch length, a Sendero contour, a 1:8" twist, and a 5-groove configuration. Constructed with a match-grade 416R stainless steel core that is double-stress relieved, drilled, contoured, reamed, cut-rifled, lapped, and borescope-inspected, it is wrapped in an aerospace-grade carbon fiber using a helical wrapping pattern. This carbon fiber construction offers high specific strength and thermal diffusivity along the length of the barrel, efficiently dissipating heat away from the bore. The design increases heat transport through the barrel wall, enabling the rifle to cool faster and maintain accuracy over extended strings of fire.

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