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30 mm automatic cannon 2A42
The 30 mm automatic cannon 2A42, also known as the Shipunov 2A42, is a Soviet/Russian 30 mm automatic cannon. It is built by the Tulamashzavod Joint Stock Company.
==Design==
The 30 mm 2A42 cannon has a dual feed. One is for HE-T and the other for AP-T rounds. The gunner can select one of two rates of full automatic fire, low at 200 to 300 rds/min and high at 550 to 800 rds/min.〔http://kbptula.ru/ru/razrabotki-kbp/strelkovo-pushechnoe-i-granatometnoe-vooruzhenie/pushechnoe-vooruzhenie/2a42〕 According to the manufacturer, effective range when engaging ground targets such as light armoured vehicles is 1,500 m while soft-skinned targets can be engaged out to 4,000 m. Air targets can be engaged flying at low altitudes of up to 2,000 m at subsonic speeds and up to a slant range of 2,500 m.〔http://www.tulamash.ru/en/prod_2a42.htm〕 In addition to being installed in a two-person turret on the BMP-2 mechanised infantry combat vehicle, this gun is also fitted in the BMD-2 airborne combat vehicle, BMD-3 airborne combat vehicle and BTR-90 (or GAZ-5923) (8 × 8) armoured personnel carrier. A small number of these have now entered service. More recently, the 30 mm 2A42 cannon has been installed in a new turret and fitted onto the roof of the BTR-T heavy armoured personnel carrier based on a modified T-54/T-55 MBT chassis. The cannon is also the main armament of BMPT (Tank Support Fighting Vehicle). It is also used for various armament projects from various manufacturers. The design bureau for the 30 mm 2A42 cannon is the KBP Instrument Design Bureau.
The 2A42 autocannon has also been used on the Bumerang-BM, an unmanned remote control turret on the Kurganets-25 and T-15.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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