The Vz.53 (Also widely known as the M53 in Western sources) is an anti-aircraft weapon system produced in Czechoslovakia during the 1950s. It combines four Vz.38/46 (DShK) 12.7 mm Machineguns on a wheeled mount with a 360° traverse. It's full Czech designation was 12.7 mm PL štvorguľomet vz.53.