CMMG Inc. · Rifle · In Production · 2018
| Weight (empty) | 3175 g (112.0 oz) |
| Overall Length | 960 mm (37.80") |
| Barrel Length | 457 mm (17.99") |
| Magazine Capacity | 30 rounds |
| Action Type | Gas Operated Direct Impingement |
| Firing Mechanism | Hammer Fired |
| Muzzle Velocity | 945 m/s (3100 fps) |
| Muzzle Energy | 1790 J (1320 ft·lbf) |
| Effective Range | 600 m (656 yd) |
| Frame Material | Aluminum Alloy |
Primary Caliber: 5.56x45mm NATO
The CMMG Endeavor Mk4 is the long-range, small-frame (AR-15) member of CMMG's Endeavor line, built around an 18-to-20-inch 416 stainless steel medium-taper barrel for extended-distance accuracy. Chambered standard in 5.56x45mm NATO with a 1:7 twist, the Endeavor Mk4 is also offered in flatter-shooting long-range AR-15 cartridges including 6.5 Grendel, 6mm ARC, .22 ARC, and .224 Valkyrie. It pairs a rifle-length gas system and adjustable gas block with CMMG's ZEROED enhanced components, a CMMG mu...
Country of Origin: United States