The CMMG MK3 3GR is a 3-gun ready AR-10 pattern rifle chambered in .308 Win with an 18-inch stainless steel barrel. It pairs the RKM15 handguard with Magpul MOE pistol grip and rifle stock in a black finish for a stable, practical setup built for fast target transitions and dependable .308 performance.
Key Features
18-inch stainless steel .308 Win barrel for effective 3-gun performance
AR-10 pattern MK3 platform built for reliability and familiar handling
RKM15 handguard for a rigid, functional mounting area during competition use
Magpul MOE pistol grip and MOE rifle stock for comfortable, repeatable control
20-round magazine capacity with semi-automatic operation
If you are looking for a competition-focused .308 AR-10 setup, the CMMG MK3 3GR is a strong starting point for your optics and accessories build.
