The M134 GAU-17 “Vulcan” cannon is a six-barreled ... Soon after the end of the Second World War the newly formed United States Air Force identified a need for an improved gun system for ...

the gatling-style M134 Minigun, at 6,000 rounds per minute. The Metal Storm has a maximum effective firing range of 984 feet and is chambered for 9mm bullets. The widespread use of machine guns in ...