The Model 58 submachine gun (also called Sa vz. 58) was a Czechoslovak assault rifle produced by Česká zbrojovka Uherský Brod, designed to destroy manpower and lightly armored targets.
The weapon works on the principle of removing gases from the barrel and before modification could fire single shots or bursts. It uses the 7.62 × 39 mm medium power rifle cartridge, the magazine is designed for thirty rounds. For many years it was in service with the Army of the Czech Republic, the Slovak Army and the police force.