PROOF Research Impact Precision 737R Short Action 26" 6mm ARC 1:7.5 Stainless Steel Pre-Fit Barrel

The PROOF Research® Impact Precision 737R Short Action 26" 6mm ARC 1:7.5 Stainless Steel Barrel boasts a 1:7.5 twist that easily stabilizes most 6mm ARC loads for superior accuracy and consistency. This pre-fit barrel also features a Competition contour and precision-machined 5/8x24 threads that readily accept your favorite muzzle brakes, flash hiders, and direct-thread suppressor mounts. Further, this performance-enhanced barrel features stainless steel construction for unprecedented durability, improved wear resistance, and a longer-lasting barrel without sacrificing accuracy.