ZU-23-2
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The ZU-23-2, also known as ZU-23, is a Soviet towed 23×152mm anti-aircraft twin-barreled autocannon. ZU stands for Zenitnaya Ustanovka – anti-aircraft mount. The GRAU index is 2A13. Wikipedia
Designed: Late 1950s
Range: 2.5 km
Action: Gas operated
Barrels: 2
Crew: 2 (gunner and commander)
Elevation: −10° to +90°
Feed system: 2x 50 round belt