Proof Research Sendero Carbon Fiber Rifle Barrel, .257 Caliber, 26" - PROOF 114445

This is a 26-inch carbon fiber rifle barrel in .257 caliber with a 1-7.5 twist rate, designed for precision rifle builds. The Sendero contour features a 2.5-inch breech and 1.20-inch shank diameter, weighing 3 lbs 4 oz. Installation requires headspacing and chambering by a qualified gunsmith.