The MAS-38 was a French submachine gun designed prior to the Second World War and used by French troops, as well as German ones, who, on occasion, captured them. It derived from a small arms development program that took place between 1918 and 1922 under the control of the Service Technique de l'Armement. A submachine gun, a light machine gun and a semi automatic rifle were developed to replace all the existing small arms. Budgetary constraints due to choices like building the Maginot Line led to the delay of adoption of these new arms except for the LMG 1924.


It was used by the French Army and used the 7.65mm round used by the French. The MAS 38 was a unique design in that the receiver and the butt were sloped away from the axis of the barrel; a tube ran into the butt to allow room for the bolt to move. The safety was activated not by a safety catch, but by pushing the trigger forward. After France's invasion and defeat in 1940, the MAS 38's production was taken over by the Germans and some were issued to the German Army and Vichy French forces.

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