G.I. contour M1 Garand barrel produced by Criterion. This barrel offers the quality, consistency and accuracy expected from an industry leader in barrel manufacturing. 24" barrel is CNC machined from 4150 chrome-moly steel to Mil-Spec print #6535448. Features include fully-lapped, 4-groove, button rifling, 1/10" match twist, timed receiver threads, phosphate finish and a .010" short chamber. Barrel is stress relieved after the rifling procedure to provide superior consistency during machining operations. The barrel is legal for all CMP and NRA competition matches.
Note: Barrels should always be installed by a qualified gunsmith.