Build the ultimate .308 Win carbine with the RESOLUTEMk3 upper group. Combining heavy hitting performance with styling in a league of its own, there is no doubt that this upper will set your rifle apart from the crowd. There can be a lot of confusion with .308 AR platforms and compatibility, CMMG has kept it simple by basing our Mk3 platform off the popular Gen 1 DPMS High-Pattern LR308 design, which means greater parts availability and more customization potential. Available in seven different Cerakote finishes, all CMMGUpper Groups come complete with bolt carrier group and ZEROED(TM) accessories including:ZEROED Mk3 Polymer Dust CoverZEROED .308 Ambi Charging HandleZEROED 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.