What is the literal translation of the full name of the gun that replaced the Arsenal submachine gun in Estonian service in 1938?
Arsenal submachine gun:  The Arsenal submachine gun was replaced in Estonian service by the Finnish Suomi KP/-31 submachine gun in 1938. Suomi KP/-31: The Suomi KP/-31 (Suomi-konepistooli or "Submachine-gun Finland", literally: "Machine-pistol Finland") was a submachine gun (SMG) of Finnish design used during World War II.
Machine-pistol Finland