| Item Number | MPX-K |
| Β Caliber | 9mm NATO, Converts to .357SIG or .40S&W |
| Β Action Type | Select Fire ( LE/GOVT ONLY) |
| Β Operating System | Closed, fully locked short stroke pushrod gas system |
| Β Overall Length (Telescoping Stock) | Min (Closed) 409 mm/16.1 in, Max (Open) 528 mm/20.8 in |
| Β Overall Length (Folding Stock) | Min (Closed) 347 mm/14.7 in, Max (Open) 559 mm/22.0 in |
| Β Overall Height (with 30 Rd Mag) | 265 mm/10.4 in |
| Β Overall Width | 52 mm/2.0 in |
| Β Barrel Length | 114 mm/4.5 in |
| Β Sight Radius | 218 mm/8.6 in |
| Β Cyclic Rate | 850 RPM |
| Β Features | Easily converts to 9 mm NATO, .357SIG, or .40S&W, User-configurable stock system: telescoping, folding or pistol configuration |
