MP40 submachine gun | weapon | Britannica
Other articles where MP40 submachine gun is discussed: small arm: The submachine gun: …way with the MP38 and MP40. Known to the Allies as “burp guns,” these weapons operated at 450 to 550 rounds per minute, the optimal rate for controlled fire. Also, they were fed by a box magazine, which did not jam as often as a drum, and had a wire…