BSM/9 M1
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| BSM/9 M1 | |
|---|---|
| Type | Submachine gun |
| Place of origin | Brazil |
| Service history | |
| Used by | Exército Brasileiro |
| Production history | |
| Designed | Late 1970s |
| Manufacturer | Companhia de Explosivos de Valparaiba |
| Specifications | |
| Weight | 3.03 kg |
| Length | 410/610 mm |
| Barrel length | 228 mm |
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| Cartridge | 9×19mm Parabellum |
| Caliber | 9 mm |
| Barrels | 230 mm |
| Action | Inertia-delayed blowback |
| Rate of fire | 600 RPM |
| Effective firing range | 100 m |
| Maximum firing range | 250 m |
| Feed system | 20/32-round detachable box magazine |
| Sights | Iron |
The BSM/9 M1 is a Brazilian inertia-delayed blowback-operated, selective-fire submachine gun developed during the late 1970s, chambered for the 9×19mm Parabellum round, which uses 20/32-round Uzi-compatible box magazines. It has a cyclic rate of 600 rounds per minute and a muzzle velocity of 400 meters per second. The BSM/9 M1 has a fixed stock, a 228 mm–long barrel, and protected post foresight and an aperture rearsight fixed at 100 meters.
