German MG42 machine gun, the swiftest firing machine gun with the war In WW2 most rifles ended up bolt action so the standard machine gun could shoot many more bullets than 10 Guys by using a bolt-action rifle. Such as a German soldier having a Kar98k could shoot fifteen rounds https://machguns.com/product/american-180-tuned-by-val-cooper-excellent-w-extras-b01033/