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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.
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:
The U.S. Navy uses the Mk44 Bushmaster II in the Mk 46 Mod 2 Gun Weapon System (GWS). The GWS is produced by General Dynamics to give warships protection against small, high-speed surface craft. A Mk 46 turret consists of the 30 mm chain gun, a forward looking infrared (FLIR) sensor, a low light television camera, and a laser rangefinder. The ...
The 30mm DS30M Mark 2 is a ship-protection system made by MSI-Defence Systems consisting of a 30mm Mark 44 Bushmaster II cannon on an automated mount. It was designed to defend Royal Navy frigates from fast inshore attack craft armed with short-range missiles, rocket-propelled grenades, machine guns, or explosives.
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 ]
There are many types, including chain guns, gast guns, revolver cannons, and rotary cannons. They are being used as military aircraft main guns, naval guns, anti-aircraft weapons, infantry fighting vehicle main guns and are occasionally found on reconnaissance vehicles like the LAV-25.
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.
When the Bushmaster project—full name U.S. Army Vehicle Rapid Fire Weapons System (Bushmaster)—was restarted, the PFB-25 (Philco-Ford Bushmaster 25mm) was selected as one of the self-powered gun candidates. [12] Since then, Philco-Ford has further developed the PFB-25. [12] Oerlikon KBA 25mm Part Description