CMMG Barrel Sub-Assm 10.5in MT 4140CM Salt Bath Nitride 5.56mm 55D8D0A. The 10.5 5.56mm barrel is no exception. Rest assured that all barrel sub-assemblies are properly headspaced and perfect for your next AR build. Specifications for CMMG AR 5.56mm...
CMMG Barrel Sub-Assm 10.5in MT 4140CM Salt Bath Nitride 5.56mm 55D8D0A. The 10.5 5.56mm barrel is no exception. Rest assured that all barrel sub-assemblies are properly headspaced and perfect for your next AR build. Specifications for CMMG AR 5.56mm...