The Maschinengewehr MG 34 light machine gun.
Heavily used during World War two by the Germans, later by the Chinese during the Chinese Civil war. Cartridge or belt fed weapon. Optional bi-pod used in general purpose situations, later full mounting. Weighed between 27-45 lbs. Fearsome weapon.
"I bought a replica of Hitler's Buzzsaw, had it mounted on the passenger door, and now my delivery tips are out of sight."
"The US invasion of Normandy was hard pressed by the entrenched German military and their solid defensive armament, including Hitler's Buzzsaw."