List of weapons of World War II Japanese aircraft

This is a complete list of weapons deployed on Japanese combat aircraft during the Second World War.

Machine guns

 * Type 89 7.7 mm machine gun (copy of Vickers Class E)
 * Ho-103 12.7 mm machine gun (based on Browning M1921)

Cannons

 * Mauser MG 151/20 20 mm cannon
 * Ho-1 20 mm cannon
 * Ho-3 20 mm cannon
 * Ho-5 20 mm cannon (based on Browning)
 * Ho-155 cannon (aka Ho-105) 30 mm cannon (based on Browning)
 * Ho-155-II 30mm cannon
 * Ho-203 37 mm cannon
 * Ho-204 37 mm cannon (based on Browning)
 * Ho-301 40 mm cannon (caseless ammunition, sometimes considered a "rocket launcher")
 * Ho-401 57 mm cannon
 * Ho-402 57 mm cannon
 * Type 88 75 mm cannon

Bombs
The Japanese army used a number of different types of bombs during World War II, ranging from 15 to 500 kilograms.

Rear armament (for defensive use)

 * Type 89 7.7 mm machine gun (based on Type 11)
 * Type 98 7.92 mm machine gun (copy of MG 15)
 * Ho-104 12.7 mm machine gun (based on Browning M1921)

Combat head (for special use)

 * Combat head of 800 kg
 * Combat head of 2,900 kg
 * Combat head of 6,393 lbs (thermite bomb)

Machine guns

 * Type 92 7.7 mm machine gun (British Lewis)
 * Type 97 7.7 mm machine gun (Vickers)
 * Type 3 13.2 mm machine gun (Browning with Hotchkiss 13.2mm cartridge)

Cannons

 * Type 99 cannon 20 mm cannon (Oerlikon FF)
 * Type 2 30 mm cannon
 * Type 5 30 mm cannon

Rear armament (for defensive use)

 * Type 92 7.7 mm machine gun (British Lewis)
 * Type 1 7.92 mm machine gun (German MG 15)
 * Type 2 13 mm machine gun (German MG 131)
 * Type 99-1/Type 99-2 20 mm cannon (Oerlikon FF)