| Item Number | MPX-SD |
| Caliber | 9mm NATO, Converts to .357SIG or .40S&W |
| Action Type | Select Fire (LE/GOVT ONLY) |
| Operating System | Closed, fully locked short stroke pushrod gas system |
| Overall Length (Telescoping Stock) | Min (Closed) 688 mm/28.1 in, Max (Open) 808 mm/31.8 in |
| Overall Length (Folding Stock) | Min (Closed) 653 mm/25.7 in, Max (Open) 838 mm/33.0 in |
| Overall Width | 52 mm/2.0 in |
| Barrel Length | 165 mm/6.5 in |
| Sight Radius | 371 mm/14.6 in |
| Cyclic Rate | 850 RPM |
| Features | Easily converts to 9 mm NATO, .357SIG, or .40S&W, User-configurable stock system: telescoping, folding, intergrally suppressed |
