Proof Research PXT Tikka T3X Carbon Fiber Prefit Barrel 7mm Backcountry 20" Sendero Contour 1:8" Twist

Overview

The Proof Research PXT (Proof Exponential Twist) Tikka T3X Carbon Fiber pre-fit barrel is a 20-inch, Sendero contour barrel chambered in 7mm. Designed to offer the lightweight performance of carbon fiber with the precision of match-grade steel, the barrel features PXT technology, which utilizes a refined rifling geometry and twist progression. This design reduces engraving force and throat erosion while smoothing projectile engagement, which can lead to increased barrel life and improved recoil control. Each PXT barrel arrives threaded and chambered for direct installation to the Tikka T3X action, eliminating the need for additional gunsmithing. The barrel is wrapped in aerospace-grade carbon fiber impregnated with a proprietary matrix resin, offering high temperature resistance and significant weight savings over traditional steel barrels of a similar contour.

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