Zastava M55
Towed 20 mm anti-aircraft gun / From Wikipedia, the free encyclopedia
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The Zastava M55, also designated 20/3-mm-M55, is a Yugoslavian/Serbian 20mm triple-barreled automatic anti-aircraft gun developed in 1955 and produced by Crvena Zastava (now Zastava Arms company) in Kragujevac, Serbia, for Yugoslav People's Army use and also for the export market. In addition to the basic towed model M55 A2, the variants M55 A3 B1, M55 A4 B1, and the BOV-3 SPAAG were also developed.
Quick Facts Type, Place of origin ...
Zastava M55 | |
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Type | Towed 20 mm Anti-Aircraft Triple Autocannon |
Place of origin | Yugoslavia/Serbia |
Service history | |
In service | 1955–present |
Used by | See Operators |
Wars | Yom Kippur War Angolan Civil War South African Border War Rhodesian Bush War Mozambican Civil War Lebanese Civil War Salvadoran Civil War Yugoslav Wars Second Nagorno-Karabakh war Russian invasion of Ukraine |
Production history | |
Designer | Zastava Arms |
Designed | 1955–1971 |
Manufacturer | Zastava Arms |
Produced | 1971–present[1] |
Variants | See Variants section |
Specifications (Zastava M55) | |
Mass | 1,100 kg (2,400 lb) loaded, 970 kg (2,140 lb) unloaded |
Length | 1.47 m (4 ft 10 in) (driving condition) |
Barrel length | 1,956 mm (77.0 in) L/70 |
Width | 1.27 m (4 ft 2 in) (driving condition) |
Height | 4.30 m (14.1 ft) (driving condition) |
Crew | 6 -- gunners and commander |
Shell | 20x110mm Hispano |
Caliber | 20 mm |
Barrels | 3 |
Action | Gas operated |
Elevation | +83° to -5 |
Traverse | 360° |
Rate of fire | 1,950 and 2,250 rpm cyclic, 700 rpm practical |
Muzzle velocity | Armour-piercing: 840 m/s (2,800 ft/s), High-explosive incendiary: 850 m/s (2,800 ft/s) |
Effective firing range | 2,000 m (6,600 ft) (air), 2,500 m (8,200 ft) (ground targets) |
Maximum firing range | 4,000 m (13,000 ft) (vertical), 5,500 m (18,000 ft) (horizontal) |
Feed system | 3 x 60 round top-fed drum magazines |
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