Proof Research Lone Peak Arms Carbon Fiber Prefit Barrel 6.5 Creedmoor 22" Sendero Contour 1:8" Twist 5 Groove

Overview

The Proof Research Lone Peak Arms Carbon Fiber Prefit Barrel features a 6.5 Creedmoor chambering with a 22-inch Sendero contour, a 1:8" twist, and a 5-groove carbon fiber construction. Utilizing internal double-stress relieved 416R stainless steel cores that are drilled, contoured, reamed, cut-rifled, lapped, and borescope-inspected, these barrels are paired with aerospace-grade carbon fiber. The advanced carbon fiber wrap employs a helical pattern that enhances longitudinal thermal diffusivity, allowing the barrel to dissipate heat efficiently away from the bore, cool faster, and maintain match-grade accuracy over long strings of fire.

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