Ho-203 cannon

Ho-203 was a Japanese autocannon that saw considerable use during World War II. It was a long-recoil automation of the Year 11 Type direct-fire infantry gun. It was fed by a 15-round closed-loop ammunition belt. It was operationally used only as the nose gun of the Kawasaki Ki-45-KAIc and the Kawasaki Ki-102 heavy fighters of the Imperial Japanese Army Air Force.

Specifications

 * Caliber: 37 mm (1.45 in)
 * Ammunition: 37 x 112R (475 g)
 * Weight: 89 kg (196 lb)
 * Rate of fire: 120 rounds/min
 * Muzzle velocity: 570 m/s (1,870 ft/s)
 * Effective range: 900 m (2,950 ft).

Similar ordnance designs

 * 37mm Bordkanone BK 3,7 (Nazi Germany)