The MAT 54 SB is a variation of the MAT 49/54, which was in turn the police model of the French MAT 49 submachine gun. Chambered for 9x19mm Parabellum, it uses MAT 49 magazines and most MAT-49 parts. However, the trigger mechanism has been changed to be semiautomatic only, and a fixed wooden stock fitted along with the standard short barrel. Only a very small number of these were made, probably less than 100. They were used by civilian companies like banks and cash transit companies that needed armed guards.
MAT 49/54 Police SMG:
Gevarm D4 SMG:
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