CMMG Dissent Mk3

CMMG Inc. · Rifle · In Production · 2024

Weight (empty)3856 g (136.0 oz)
Overall Length879 mm (34.61")
Barrel Length409 mm (16.10")
Magazine Capacity20 rounds
Action TypeGas Operated Direct Impingement
Firing MechanismHammer Fired
Muzzle Velocity838 m/s (2749 fps)
Muzzle Energy3406 J (2512 ft·lbf)
Effective Range700 m (766 yd)
Frame MaterialAluminum Alloy

Primary Caliber: .308 Winchester

The CMMG Dissent Mk3 is the large-frame, AR-10 size member of CMMG's bufferless Compact Action family, chambered in .308 Winchester, 6.5 Creedmoor, and 8.6 Blackout. Engineering the buffer-tube-free Compact Action for a full-power .308-class cartridge required evolving the AR-10 direct-impingement bolt carrier group into a compact form cycled by dual guide rods and springs in the upper receiver. The result is a folding-stock-capable big-bore semi-auto: the 16.1-inch-barreled .308 weighs about 8....

Country of Origin: United States