What kind of submachine gun is the battlefield broom?

ZK383 was patented at 1933. During World War II, not only Czechoslovakia and German troops were equipped, but also a Belgian submachine gun, which was also equipped in some South American countries.

ZK383 submachine gun is characterized by good shooting accuracy, adjustable two firing rates and quick barrel replacement. The firing rate of the gun is changed from 500 rounds/min to 700 rounds/min by replacing the bolt with different quality. In addition, it is equipped with a bipod, which is folded into a front fender when not in use, which is rare in submachine guns at that time. The gun fires 9mm Parabelen pistol bullets, which are supplied by 30 magazines, and the scale range is 100-800m.