Platform | Mk3 |
Caliber | .308 WIN |
Barrel Twist | 1:10 |
Barrel Contour | HT |
Barrel Material | 416SS |
Barrel Twist | 1:10 |
Muzzle Thread | 5/8 X 24 |
Gas Port Location | Rifle |
Gas Block | 0.936" |
Finish | Bead Blasted |
Weight | 2 lbs |



Expected to ship within 15-30 business days. AR Parts Notice - State/local restrictions may apply in CT, DC, IL, MA, NJ, NY, or WA. Customers must review our Shipping Policy prior to ordering.
Barrel Sub-Assm, 18.0" HT 416SS, 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.