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The M242 25 mm chain gun. A chain gun is a type of autocannon or machine gun that uses an external source of power to cycle the weapon's action via a continuous loop of chain, similar to that used on a motorcycle or bicycle, instead of diverting excess energy from the cartridges' propellant as in a typical automatic firearm. [1] [2]
The basic gun in the Six-Pak weighed 27 pounds, or 12.2 kg. The system could be carried by a team of two soldiers and mounted either to an M122 tripod or a vehicle's pintle mount. The overall length is 104 cm, the gun only is 68.6 cm. The width (including ammunition case) is 44.4 cm. Sighting was usually by optical telescope.
The M230 Chain Gun is used on the MH-60L Direct Action Penetrator. It is also the Area Weapon System on the Boeing AH-64 Apache attack helicopter , mounted on the chin turret. It uses a 2 hp (1.5 kW) electric motor to fire 30 mm (1.2 in) linkless ammunition at a rate of 625±25 rounds per minute.
Autocannons are automatic guns with calibers of 20 millimeters (0.79 in) to 60 millimeters (2.4 in). There are many types, including chain guns, gast guns, revolver cannons, and rotary cannons.
The cannon is a larger and more modern version of the 35 mm Bushmaster III chain gun, which itself is a larger version of the 25 mm M242 Bushmaster cannon. Although its shells, 50 x 228 mm, are twice the diameter of the 25×137mm cartridge of the M242, the 50mm cannon is not much longer than the smaller weapon. [ 2 ]
The M242 Bushmaster chain gun is a 25 mm (25×137mm) single-barrel chain-driven autocannon.It is used extensively by the U.S. military, such as in the Bradley fighting vehicle, as well as by other NATO members and some other nations in ground combat vehicles and various watercraft.
The M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute). [2] It features a Gatling -style rotating barrel assembly with an external power source, normally an electric motor .
A rotating-barrel Minigun being fired from a gunship during the Vietnam War. The Minigun is a type of rotary machine gun. During the Vietnam War, the 7.62 mm caliber M134 Minigun was originally created to arm rotary-wing aircraft, and could be fitted to various helicopters as either a crew-served or a remotely operated weapon.