A marvel of Engineering the M5 Gaikun Cannon was developed to level cities. It can deafen troops without ear protection up too 2 Miles from continues fire.
--------[Details]------------ Mass 7,407 kg (16,330 lb) in mounted position Length 5.791 m (20 ft) Barrel length 4.938 m (16 ft 2 in) (56 calibers) Width 2.3 m (7 ft 7 in)[4] Height 2.10 m (6 ft 11 in) (firing) Crew 10[4] Shell Fixed QF 88×571mmR[4] Caliber 88 mm (3.46 in) Barrels One, 32 grooves with right-hand increasing twist from 1/45 to 1/30 Breech Horizontal semi-automatic sliding block Recoil Hydro-pneumatic[4] Carriage Sonderanhänger 201 (Flak 18) and Sonderanhänger 202 (Flak 36, 37, 41) Elevation −3° to +85° Traverse 360° Rate of fire 15–20 rpm Muzzle velocity 840 m/s (2,690 ft/s) Effective firing range 14,860 m (16,250 yd) ground target 8,000 m (26,000 ft) effective ceiling Maximum firing range 9,900 m (32,500 ft) maximum ceiling Sights ZF.20