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SIG MPX
Not sure what you're looking at? Identify it from its markings · What the stamps on the barrel mean
Photo: gar2chan — CC BY 2.0 · license · via Wikimedia Commons
Technical Specifications
| Type | Submachine gun |
|---|---|
| Country of origin | United States |
| Manufacturer | SIG Sauer |
| Designed | 2013 |
| Produced | 2015–present |
| In service | 2015–present |
| Variants | See Variants |
| Weight | 2.7 kg (6.1 lbs) |
| Length | 425 mm (16.7 in), stock folded · 610 mm (24.0 in), stock extended |
| Barrel length | 114 mm (4.5 in) · 165 mm (6.5 in) · 203 mm (8 in) |
| Cartridge | 9×19mm Parabellum |
| Action | Short-stroke gas-operated, closed rotating bolt |
| Feed | 10-, 20-, 30- or 35-round detachable box magazine, 50 round drum magazine |
Data from SIG MPX (Wikipedia, 2026-09-22). Text licensed under CC BY-SA. Image: CC BY 2.0 — gar2chan.
Compatible Calibers (1)
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Date This Firearm
Own one? Enter the German date code (two letters beside the proof marks) OR the full US serial number — each is answered from its own register, and SIG publishes no dating chart.
SIG Sauer serial number lookup →