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The M242 Bushmaster chain gun is a 25 mm (25×137mm) single-barrel chain-driven autocannon. ... The TP-T cartridge is a fixed-type, percussion-primed training round ...
The primary component of the Mk 38 is the 25 mm M242 Bushmaster. It is an externally-powered, chain-driven gun. The Bushmaster uses an electric motor to drive the moving parts for ammunition feeding, loading, firing, extraction, and cartridge ejection. [2] The mass of the M242 on the Mark 38 MGS is 109 kg (240 lb). [3]
Cartridge Type Oerlikon KBA Switzerland: Rheinmetall AG: 25×137mm Autocannon: M242 Bushmaster United States: Hughes Helicopters: 25×137mm Chain gun: GAU-12/22 Equalizer United States: General Electric: 25×137mm Rotary cannon: GIAT M811 France: GIAT Industries: 25×137mm Autocannon Oerlikon KBB Switzerland: Rheinmetall AG: 25×184mm ...
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 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 Bushmaster IV is a 40 mm chain-driven autocannon designed and built by Alliant Techsystems, based on the M242 Bushmaster, Bushmaster II and Bushmaster III. [1] [2] The Bushmaster IV fires 40×365mmR 3P (Prefragmented, Programmable, Proximity-fuzed), APFSDS-T Mk I, and APFSDS-T Mk II rounds. The 3P round will provide air burst capability and ...
The Mk44 Bushmaster II is a 30 mm chain gun manufactured by Northrop Grumman. It is a derivative of the 25 mm M242 Bushmaster , and uses 70% of the same parts as the M242 while increasing the firepower by as much as 50% with the 20% increase in caliber size.
The Bushmaster III is a 35 mm automatic/semi-automatic cannon designed and built by Alliant Techsystems, based on the 25 mm M242 Bushmaster.The weapon has been selected as primary armament for the CV9035 export versions of the CV90 infantry fighting vehicles (IFV) currently in service with the Danish, Dutch and Estonian armies.