Small recoil often finds by itself in handguns, although the Maxim Gun was the initial to make use of this to create recurring fire. It could be applied as a light-weight or medium machine gun dependant upon the setup. But it was the MG 42, nicknamed “Hitler’s Buzz Saw,” https://machine-gun-scottsdale07360.slypage.com/36339798/5-simple-statements-about-machine-gun-adventure-explained