Proof Research Seekins Precision HIT Carbon Fiber Prefit Barrel 6.5 PRC 24" Sendero Contour 1:7.5" Twist 5 Groove

Overview

The Proof Research Seekins Precision HIT carbon fiber prefit barrel is chambered in 6.5 PRC with a 24-inch barrel length, a Sendero contour, and a 1:7.5" twist with 5 grooves. Engineered for match-grade accuracy and durability, the barrel utilizes an inner core of double-stress relieved 416R stainless steel that is drilled, contoured, reamed, cut rifled, lapped, and inspected via borescope. The exterior is wrapped in aerospace-grade carbon fiber using a helical pattern that optimizes longitudinal thermal diffusivity. This design efficiently dissipates heat away from the bore and through the barrel wall, allowing the barrel to cool rapidly and maintain accuracy during prolonged firing sessions.

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