The 2A42 is a Russian 30 mm calibre auto-cannon mounted on BMP-2 and ZSU-30-2 and the Ka-50helicopter. It is based upon the British Rarden gun and has dual loading for AP and HE ammunition allowing the gunner to switch rounds without unloading and reloading. The 2A42 has a muzzle velocity of 1000 meters-per-second and can pierce 50 mm of armour at 500 metres. The gun has a full range of 4 km. Research 2A42
The Ka-50 Black Shark or Werewolf (Hokum A) is a Sovietattackhelicopter. It entered service in the Russian Army during 1995. It is a high performance combathelicopter with day and night capability, high survivability and fire power to defeat air targets and heavily armoured tanks armed with air defence weapons. A night attack version, Ka-50N, with Samshit-50T thermal imager, day TV and laser rangefinder is also produced. The Ka-50 carries a combination of various armaments to a maximum weapon load of two tons according to the mission, including anti-tank missiles, unguided aerial rockets of different calibres, air-to-air missiles, guns, bombs and other weapons. The helicopter has small mid-mounted wings fitted with four under-wing suspension units and wingtip countermeasures pods. Up to 12 Vikhr supersonic antitank missiles can be mounted on the helicopter's two under-wing external stores. The Ka-50 is armed with a 2A42 quick-firing 30-mm gun for use against airborne or ground targets mounted near the centre of gravity of the helicopter for consistent accuracy. The Ka-50 is powered by two TV3-117VMA turboshafts engines each providing 2,200 horsepower. Research Ka-50
 
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