M61 Vulcan
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The M61 Vulcan is a hydraulically, electrically, or pneumatically driven, six-barrel, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm caliber rounds at an extremely high r
An unmounted M61A1 Vulcan with flash suppressor used in the SUU-16/A gun pod
An M61 Vulcan and the feed system for an F/A-18, on a stand
Gun installation on West German F-104.
An M61 Vulcan at the Miramar Airshow
20 mm caliber
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20 mm caliber is a specific size of popular autocannon ammunition. The dividing line between smaller-caliber weapons, commonly called "guns", from larger-caliber "cannons", is conventionally taken to
M61 Vulcan
…Vulcan is a hydraulically, electrically, or pneumatically driven, six-barrel, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm caliber rounds at an extremely high rate (typically 6,000 rounds per minute). The M61 and its derivatives have been the principal cannon armament of United…
A 20×102mm round (second from left) with .50 BMG rounds, golf ball, and a stick of 168-pin SDRAM computer memory