This miniature .22 single shot pistol was made in 1966 when Geof Spehar was 18 years old. The single shot pistol has a frame that was made from a piece of cast iron from a broken engine block. The barrel was made from a master cylinder piston. Pins are made from welding rod. Only a drill press and file were used. The handles are carved from Jarrah wood. It fires .22 cal (6 mm) starter pistol caps or BB caps.