Description An introduction to the Skorpion in Call of Duty: Black Ops multiplayer. The Škorpion vz. 61 is a Czechoslovak 7.65 mm submachine gun (often classified as a machine pistol), developed in the 1950s by Miroslav Rybář (1924--1970) and produced under the official designation Samopal vzor 61 ("submachine gun model 1961") by the Česká Zbrojovka arms factory in Uherský Brod.