Proof Research Lone Peak Arms Prefit Barrel 6 Dasher 26" Stainless Competition 1:7.5" Twist 4 Groove

Overview

The Proof Research Lone Peak Arms Prefit Barrel is chambered in 6 Dasher with a 26-inch stainless steel construction featuring a 1:7.5" twist and 4-groove rifling. Manufactured in-house from double-stress relieved 416R stainless steel, this pre-hardened chromium steel barrel is precision-drilled, contoured, reamed, cut-rifled, lapped, and borescope-inspected to deliver match-grade accuracy and durability. Engineered for exceptional thermal performance, the design incorporates aerospace-grade carbon fiber utilizing a helical wrapping pattern. This configuration maximizes longitudinal thermal diffusivity, allowing the barrel to efficiently dissipate heat away from the bore rather than trapping it. The result is a match-grade barrel that cools faster, maintains consistent accuracy, and stands up to extended strings of fire.

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