SIG Sauer Inc. · Personal-Defense-Weapon · In Production · 2018
| Weight (empty) | 2313 g (81.6 oz) |
| Overall Length | 584 mm (22.99") |
| Barrel Length | 140 mm (5.51") |
| Height | 203 mm (7.99") |
| Width | 71 mm (2.80") |
| Magazine Capacity | 30 rounds |
| Action Type | Gas Operated Short Stroke Piston |
| Firing Mechanism | Hammer Fired |
| Muzzle Velocity | 625 m/s (2051 fps) |
| Muzzle Energy | 1585 J (1169 ft·lbf) |
| Effective Range | 200 m (219 yd) |
| Frame Material | Aluminum |
Primary Caliber: .300 AAC Blackout
The SIG MCX Rattler is an ultra-compact personal defense weapon developed from SIG Sauer's MCX rifle family, built around a short-stroke gas piston operating system and a 5.5-inch barrel. Designed primarily around .300 AAC Blackout to deliver carbine-class terminal performance from a sub-machine-gun-sized envelope, it bridges the gap between SMG and rifle. The platform uses standard AR-15 magazines and parts compatibility, with a side-folding Pivoting Contour Brace (PCB) that collapses the weapo...
Country of Origin: United States