autocannon
rapid-fire projectile weapon that fires armour-piercing or explosive shells
Becker Type M2
20 mm autocannon aircraft armament
revolver cannon
type of autocannon
Typhoon Weapon Station
Israeli remote weapon station
rotary cannon
rapid-fire gun that uses multiple barrels in a rotating mechanism
Vickers S
40 mm autocannon aircraft armament
ADEN
30 mm revolver autocannon aircraft armament
M4
37 mm autocannon aircraft armament