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M61 Vulcan
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M61 Vulcan
An unmounted M61 Vulcan.
Type
Six-barreled Gatling-style rotary cannon
Place of origin
United States
Service history
In service
1959–present
Used by
United States/NATO
Wars
Vietnam War, Gulf War, War on Terror
Production history
Designed
1946
Manufacturer
General Electric
Variants
See below
Specifications
Weight
248 pounds (112 kg) (excluding feed system) (M61A1) or202 pounds (92 kg) (excluding feed system) (M61A2)
(HEI) 100 g (3.5 oz) (projectile)
Length
71.93 in (1,827 mm)
Cartridge
20×102mm
Caliber
20 mm (0.787 in)
Barrels
6
Action
Hydraulically operated, electrically fired, Gatling
Rate of fire
6,000 rounds per minute (M61A1)
6,600 rounds per minute (M61A2)
Muzzle velocity
3,450 feet per second (1,050 m/s) (with PGU-28/B round)
Feed system
Belt or linkless feed system
The M61 Vulcan is a hydraulically or pneumatically driven, six-barreled, air-cooled, electrically fired Gatling-style rotary cannon which fires 20 mm rounds at an extremely high rate. The M61 and its derivatives have been the principal cannon armament of United States military fixed-wing aircraft for fifty years. The M61 was originally produced by General Electric, and after several mergers and acquisitions is currently produced by General Dynamics.
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