Czechoslovak State Security (StB) and special operations machine pistol, an iconic compact selective-fire weapon chambered for .32 ACP. Type: Pistol Action: Semi-Automatic/Automatic Caliber: 7.65mm Browning Capacity: 10 Year introduced: 1961, Czechoslovakia Weight: 40.6 oz Overall length: 10.6" Status: Discontinued Military use: Yes Intended use: military, law enforcement