Barrel Length: 17.5"
17.5" stainless steel fluted muzzle-weighted barrel for the 10/22 LR. Unique muzzle design provides better balance. Target grade rifling, and modified BENTZ semiauto match chamber for optimum performance and accuracy. Minimum bore / groove diameters are .2165 / .221. 12-flute muzzle contrasts against the 6-flute barrel for stunning appearance. Muzzle measures 1.06" daimeter, and rest of barrel is .920" diameter. Drop-in ready for the Ruger 10-22 .920 bull barrel. Make your 10-22 a winner with the level of performance and quality you've come to expect from Green Mountain.