ammo88The Flak 183637, or more commonly known as the 88, was one of the most iconic and feared weapons of World War II. It began as an anti-aircraft gun but evolved into aShell: Fixed QF 88×571mmR [4]: Caliber: 88 mm (3.46 in) Barrels: One, 32 grooves with rht-hand increasing twist from 145 to 130: Breech: Horizontal semi-automatic sliding block