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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 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]
The Oerlikon KBA 25 mm is a fully automatic cannon based on the proven gas-operation principle with a rotating bolt head similar to the Mauser M 98 or M16 and double belt feed for the ammunition. The KBA offers a wide range of firing modes: single shot, programmable rapid single shot with a rate of fire programmable from 100 to 175 rds/min 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 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 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.
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 Autocannon Oerlikon KBD Switzerland: Rheinmetall AG: 25×184mm Autocannon Type 61 China ...
The PaK 40 semi-automatic 7.5 cm calibre anti-tank gun was the basis for the BK 7,5 in the Junkers Ju 88P-1 heavy fighter and Henschel Hs 129B-3 twin engined ground attack aircraft. The German Mauser MK 213 was developed at the end of the Second World War and is regarded as the archetypal modern revolver cannon .