CMMG Inc Barrel Sub-Assembly Medium Taper 22LR 17in 4140CM Salt Bath Nitride 22D830C. CMMG machined these Rifle Barrels from 4140 steel and added a Salt Bath Nitride coating that enhanced their durability strength and resistance to corrosive...
CMMG Inc Barrel Sub-Assembly Medium Taper 22LR 17in 4140CM Salt Bath Nitride 22D830C. CMMG machined these Rifle Barrels from 4140 steel and added a Salt Bath Nitride coating that enhanced their durability strength and resistance to corrosive...