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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.
Bushmaster II 30 mm chain gun; Bushmaster III 35/50 mm chain gun; Bushmaster IV 40 mm chain gun; 30mm DS30M Mark 2 Automated Small Calibre Gun British automated mount with 30 mm Bushmaster II; Shipunov 2A42 30mm automatic cannon; List of weapons of the United States Marine Corps; List of crew-served weapons of the U.S. Armed Forces
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 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 ...
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 Mk 38's Bushmaster can fire all U.S. Navy-approved 25 mm ammunition, [4] including:
M230 Chain Gun United States: Cold War 30: External: Mk44 Bushmaster II United States: Cold War 35: Internal: Oerlikon KDA Switzerland: Cold War 35: External: Bushmaster III United States: Cold War 37: Internal: BK 37 Nazi Germany: World War II 37: Internal: COW 37 mm gun United Kingdom: World War II 37: Internal: Ho-203 cannon Empire of Japan ...
A M242 Bushmaster chain gun is fitted on a LAV III's gun turret, with a machine gun placed atop the turret. The LAV III is fitted with a two-man turret, armed with the M242 Bushmaster 25 mm caliber chain gun and a coaxial 7.62-mm machine gun. One more 5.56 mm or 7.62 mm machine guns is positioned on top of the turret. The LAV III also has eight ...