Striking the balance between long-range performance and maneuverability, this 20" ENDEAVORMk3 Upper Group in .308 WIN can pack a punch up close and at extended distances. The CMMGMk3 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 HandleZEROED Mk3 Polymer Dust CoverZEROED Muzzle Brake .308Lifetime Quality GuaranteeWe aim to please, that's why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Learn More.