GAU-12 Equalizer
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The General Dynamics GAU-12/U Equalizer is a five-barrel 25 mm Gatling-type rotary cannon. The GAU-12/U is used by the United States, Italy and Spain, which mount the weapon in their attack jets such as the AV-8B Harrier II, airborne gunships such... Wikipedia
Action: Hydraulic, Electric, Pneumatic
Caliber: 25 mm (0.98 in)
Feed system: Linked or linkless
Height: 10.2 inches (260 mm)
Manufacturer: General Dynamics
Muzzle velocity: (HEI) 3,400 ft/s (1,040 m/s); (API) 3,280 ft/s (1,000 m/s); (APEX) 3,200 ft/s (970 m/s)
Rate of fire: GAU-12: 1,800–4,200 rounds per minute; GAU-22: 3,300 rounds per minute