The device is based on a mass dimensional model — a replica of the real-life model. The submachine gun was manufactured in 1943, during the Second World War, as a substitution for model M1928. The renewed model was cheaper in production.
The reciever and buttstock are made of wood, the frame is made of metal. The sighting equipment consists of a backsight and foresight which are protected from both sides by metal plates. To reload the weapon press the bolt.