CZ VZ 52/57 7.62x39 (26636)The CZ Vz. 52 57 is a rugged and historically significant semi automatic rifle, developed in Czechoslovakia during the Cold War as an evolution of the original Vz. 52 platform. The updated 52 57 variant was redesigned to chamber the widely adopted 7. 6239 cartridge, improving logistical compatibility with other Eastern Bloc firearms of the era. Built around a robust short stroke gas piston system paired with a tilting bolt mechanism, the Vz. 52 57 is