Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The vz. 52 (7,62 mm lehký kulomet vzor 52) is a Czechoslovak light machine gun developed after the Second World War for Czechoslovakian military.Vz. 52, originally ZB 501 designed by Václav Holek, is a gas operated and uses a tilting bolt, that locks into the roof of the receiver. Its overall action is based on the Czech ZB-26 light machine gun. It has integral bipod and interchangeable barrel and its feed system is designed to take metallic belts or box magazines interchangeably and withouth any modifications.