Proof Research Lone Peak Arms Carbon Fiber Prefit Barrel 22 Creedmoor 22" Sendero Contour 1:8" Twist 4 Groove

Overview

The Proof Research .22 Creedmoor prefit barrel features a 22-inch length, Sendero contour, 1:8-inch twist, and 4-groove rifling with a carbon fiber finish. Proof Research steel barrels are produced in-house from double-stress relieved 416R stainless steel—a pre-hardened chromium steel ideal for match-grade applications—which is drilled, contoured, reamed, cut rifled, lapped, and borescope-inspected for consistency and accuracy. Wrapped in aerospace-grade carbon fiber using a proprietary matrix resin, the barrel benefits from a helical wrapping pattern that enhances longitudinal thermal diffusivity. This design efficiently conducts heat away from the bore and through the wall thickness, allowing the barrel to cool faster and maintain match-grade accuracy and durability over extended strings of fire while remaining significantly lighter than traditional steel barrels.

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