CMMG Inc. · Carbine · In Production · 2019
| Weight (empty) | 2812 g (99.2 oz) |
| Overall Length | 826 mm (32.52") |
| Barrel Length | 409 mm (16.10") |
| Magazine Capacity | 20 rounds |
| Action Type | Delayed Blowback |
| Firing Mechanism | Hammer Fired |
| Muzzle Velocity | 716 m/s (2349 fps) |
| Muzzle Energy | 534 J (394 ft·lbf) |
| Effective Range | 200 m (219 yd) |
| Frame Material | Aluminum Alloy |
Primary Caliber: 5.7x28mm
The CMMG Resolute Mk57 is a carbine-length AR-pattern rifle chambered in the high-velocity 5.7x28mm cartridge, sharing the full-size Resolute chassis with a 16.1-inch barrel. Unlike traditional AR-15 calibers, the Mk57 uses CMMG's Radial Delayed Blowback (RDB) operating system to safely cycle the bottleneck 5.7x28 round without a gas system, allowing a lighter, simpler action. The Mk57 feeds from proprietary CMMG/ProMag 5.7x28mm magazines (20-round standard) and offers flat-shooting, low-recoil ...
Country of Origin: United States