GAU-8 Avenger
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The General Electric GAU-8/A Avenger is a 30 mm hydraulically driven seven-barrel Gatling-style autocannon that is primarily and most famously mounted in the United States Air Force's Fairchild Republ
The GAU-8/A Avenger's barrel and breech assembly
GAU-8 closeup
30×173 mm round next to a .30-06 Springfield for comparison
GAU-8 mounted in A-10
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
GAU-8 Avenger
…burst slows the aircraft by only a few miles per hour in level flight. Some of the GAU-8/A technology has been transferred into the smaller 25 mm GAU-12/U Equalizer, which was developed for the AV-8B Harrier II aircraft. The GAU-12 is about the same size as the 20 mm M61. GE has also developed the GAU-13/A, a…
An AV-8 Harrier II; the two pods on the belly of the aircraft hold the cannon (port side, visible hole) and ammunition (starboard side).