The M52 was a Czechoslovakian self-loading, recoil operated, single-action pistol first produced in the late 1940's. The M52 was chambered for the 7.62 mm Bottleneck M48cartridge and could also take the 7.63 mm Mauser and Soviet 7.62 mm Type 'P' round, from an 8-round box magazine. The M52 had a blade foresight and dovetailed square notch rearsight, zeroing being achieved by changing the foresight blade. The M52 had an effective range of 63 meters, a muzzle velocity of 492 meters per second and a rate of fire of 32 rounds per minute. The M52 saw service with the Czechoslovakian Army and later with the Czechoslovakian Army Reserve. Research M52