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25-mm GAU-12/U Equalizer

Country of Origin: USA


The five-barrel 25-mm GAU-12/U Gatling gun is the principal gun armament of the AV-8B Harrier II fighter jet. It is fitted to the Harrier in a pod carried on the central fuselage weapon station. Variants are also used on the AC-130U gunship and on the Blazer 25 air defense turret.

The GAU-12/U operates on the Gatling principle. Five 20-mm barrels are mounted on a geared rotor that is driven by a pneumatic motor. A hydraulic or electric motor can also be used. As the motor turns...

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