PROOF Research Expands PXT Barrel Line with New Competition Barrels, Pre-Fit Options and Caliber Offerings

COLUMBIA FALLS, Mont. – July 21, 2026 – PROOF Research is proud to announce it is building on the successful launch of its PROOF Exponential Twist (PXT) with an expanded lineup. The new offerings introduce a new category of steel competition blanks, additional pre-fit barrel offerings and expanded caliber offerings, including new .243- and .257-barrel options. The latest additions broaden access to […]