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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 × 102 mm (0.787 in × 4.016 in) rounds at an extremely high rate (typically 6,000 rounds per minute).
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 " (e.g. machine gun vs. autocannon ), is conventionally taken to be the 20 mm round, the smallest caliber of autocannon.
The Anzio 20mm rifle [1] is an American anti-materiel rifle designed and marketed by Anzio Iron Works. It is the first American anti-materiel rifle designed and mass-produced for public sale with a bore diameter in excess of .50 caliber in over 80 years. [ 2 ]
The M163 Vulcan Air Defense System (VADS), officially Gun, Air Defense Artillery, Self-Propelled 20-mm, M163, is a self-propelled anti-aircraft gun (SPAAG) that was primarily used by the United States Army. The M163 provides mobile, short-range air defense protection for ground units against low-flying fixed-wing aircraft and helicopters.
The XM301 is a lightweight, three-barrel version of the M61 Vulcan.It is externally powered, relying on the same power delivery system as the Vulcan. It fires M50 and PGU-series ammunition found in the Vulcan, as well as newer lightweight X1031/1032 aluminum-cased ammunition at either 750 or 1,500 rounds per minute. [2]
Developed as a pod for high-speed fighter aircraft which lacked a gun, this pod was fitted with a single M61A1 20 mm cannon and 1,200 rounds of ammunition. This weapon is powered by a ram-air turbine, and fires at a fixed rate of 6,000 rpm. However, for this firing rate to be achieved the aircraft needs to fly over 300 mph (480 km/h), and the ...
The first AC-130A Gunship IIs did away with the MXU-470/A mounts and instead used GAU-2/As, and not only had four 7.62mm GAU-2/A minigun mounts, but added four 20mm M61 Vulcan 6-barrel rotary cannons; this configuration was upgraded two years later in 1969 by removing two each of the GAU-2/As and M61s and adding two 40mm (1.58 in) L/60 Bofors ...
ROCMC Humvee with T-75M 20mm Cannon T-75S 20mm Cannon Mounted on FACG-77 The M39 served as the basis for the T-75 autocannon developed by Taiwan (Republic of China), as a more-powerful partial replacement for the M2HB machine gun onboard naval vessels and the HMMWV tactical vehicle, with its latest use being within the XTR-101 and XTR-102 ...