Type 2 cannon

The 30mm Type 2 cannon (二式三十粍固定機銃) was a Japanese Navy autocannon used during World War II. It was a scaled-up version of the 20mm Oerlikon FF cannon.

Specifications

 * Caliber: 30 mm (1.2 in)
 * Ammunition: 30 x 92RB
 * Weight: 51 kg (112 lb)
 * Rate of fire: 380 rounds/min
 * Muzzle velocity: 710 m/s (2,330 ft/s)