CMMG Inc Barrel Sub-Assembly Mediun Taper Profile 22LR 9.2in 4140CM Salt Bath Nitride 22D8F0A. CMMG machined these Rifle Barrels from 4140 steel and added a Salt Bath Nitride coating that enhanced their durability strength and resistance to...
CMMG Inc Barrel Sub-Assembly Mediun Taper Profile 22LR 9.2in 4140CM Salt Bath Nitride 22D8F0A. CMMG machined these Rifle Barrels from 4140 steel and added a Salt Bath Nitride coating that enhanced their durability strength and resistance to...