Barrel Sub-Assm, 16.1" MT 4140CM SBN, 308 Win
Perfect for building your custom Mk3/High Pattern LR-308 upper group. Comes with a properly installed barrel extension. All barrel sub-assemblies are properly headspaced and comes with CMMG's Lifetime Quality Guarantee.
Specifications
| Caliber | .308 WIN |
| Weight | 1.85 lbs |