Gryazev-Shipunov GSh-30-1
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The Gryazev-Shipunov GSh-30-1 is a 30 mm autocannon designed for use on Soviet and later Russian military aircraft, entering service in the early 1980s. Its current manufacturer is the Russian company JSC Izhmash. Wikipedia
Barrel length: 1,500 mm (59.06 in)
Caliber: 30mm
Designer: V. Gryazev, A. Shipunov
Effective firing range: 200–1,800 m (220–1,970 yd)
Manufacturer: Izhmash
Mass: 46 kg (101 lb)
Muzzle velocity: 900 m/s