Interdynamic MP-9
From Wikipedia, the free encyclopedia
| Interdynamic MP-9 | |
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| Type | Submachine gun |
| Place of origin |  Sweden United States |
| Production history | |
| Produced | 1983-1984 |
| Number built | Believed less than 25 in select-fire configuration with buttstock |
| Specifications | |
| Weight | 1.7 kg (3.8 pounds) |
| Length | 328 mm stock closed, 541mm stock extended (13.25" stock closed, 21.3" stock extended) |
| Barrel length | 127 mm (6.8 inches) |
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| Cartridge | 9x19mm Parabellum |
| Action | Blowback-operated |
| Rate of fire | 1000 rounds/min |
| Muzzle velocity | 764 m/s (2507 ft/s) |
| Effective range | 55 m |
| Feed system | 10, 20, 32, 36 and 50-round magazines |
The Interdynamic MP-9 is a blowback-operated, fully-automatic 9 mm caliber firearm, classified by BATF as a machine gun. It is made of inexpensive molded polymer and stamped steel parts. 10, 20, 32, 36 and 50 round magazines are available. The MP-9 was made in two configurations, one with select fire capability and a collapsible stock, and one that is fully automatic only with no stock..
The MP-9 was originally designed by Swedish company Interdynamic AB of Stockholm as a cheap submachine gun for military applications. Interdynamic was unable to drum up any interest among governments, and the MP-9 never entered production in Sweden. Unwilling to give up on the design, Interdynamic set up a U.S. subsidiary intended principally to market a semiautomatic version to civilians. Interdynamic U.S.A. produced a very small quantity of registered, MP-9 submachine guns (believed less than 50 total, perhaps as few as 24 in select-fire with the collapsible stock).
