CMMG Commercial Marketing Grp
Barrel Sub Assy., 8.0" MT 4140CM SBN, .300 BLK
FIND A LOCAL DEALERIVS Product #805458
MFG #30D810A
- Perfect For Building Your Custom AR15 Upper Group.
- Comes With A Properly Installed M4 Barrel Extension. All Barrel Sub-Assemblies Are Properly Headspaced.