The BSM/9 M1 is a Brazilian inertia-delayed blowback-operated, select-fire submachine gun developed during the late 1970s, chambered for the 9 x 19 mm Parabellum round which uses 20/32-round Uzi-compatible box magazines.
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The BSM/9 M1 is a Brazilian inertia-delayed blowback-operated, select-fire submachine gun developed during the late 1970s, chambered for the 9 x 19 mm Parabellum round which uses 20/32-round Uzi-compatible box magazines.