8.8 cm Flak 18/36/37/41
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The 8.8 cm Flak 18/36/37/41 is a German 88 mm anti-aircraft and anti-tank artillery gun, developed in the 1930s. It was widely used by Germany throughout World War II and is one of the most recognized German weapons of the conflict. Wikipedia
Shell: Fixed QF 88×571mmR
Barrel length: 4.938 m (16 ft 2 in) (56 calibers)
Breech: Horizontal semi-automatic sliding block
Caliber: 88 mm (3.46 in)
Carriage: Sonderanhänger 201 (Flak 18) and Sonderanhänger 202 (Flak 36, 37, 41)
Crew: 10
Effective firing range: 14,860 m (16,250 yd) ground target; 8,000 m (26,000 ft) effective ceiling