| Platform | Mk3 |
| Caliber | .308 WIN |
| Operating System | Direct Impingement |
| Barrel Length | 20 |
| Barrel Twist | 1:10 |
| Barrel Contour | MT |
| Barrel Material | 416SS, SBN |
| Barrel Twist | 1:10 |
| Muzzle Device | CMMG ZEROED Muzzle Brake |
| Muzzle Thread | 5/8 x 24 |
| Gas Port Location | Rifle |
| Gas Block | 0.750 Non-Adjustable |
| Upper Receiver | Billet 7075 T6 Aluminum |
| Hand Guard | CMMG EML15 M-LOK |
| Finish | Cerakote Standard |
| Charging Handle | CMMG ZEROED Ambi |
| Weight | 6.0 lbs |
| Length | 30.2" |
Expected to ship within 15-30 business days. Build to Order products are items that are not built but all components are in stock and ready for assembly.
THIS PRODUCT IS BACKED BY THE CMMG LIFETIME QUALITY GUARANTEE.
UPPER GROUP, ENDEAVOR, Mk3, .308WIN, 20"
Striking the balance between long-range performance and maneuverability, this 20” ENDEAVOR® Mk3 Upper Group in .308 WIN can pack a punch up close and at extended distances. The CMMG® Mk3 platform is based on the popular LR-308/DPMS Gen 1 High-Pattern design. Check out our CMMG Resources article to learn more about the Mk3 platform.
Available in seven different Cerakote finishes, every ENDEAVOR Upper Group includes the bolt carrier group as well as a carefully curated selection of parts and accessories including:
ZEROED .308 Ambi Charging Handle
We aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Learn More.