Inert 75mm casing. This casing was used in the 7.5cm GebG 36 by Germany in WWII. This 75x130mm casing is made of steel. This casing is in good condition. The 7.5 was a German mountain gun used during WWII. At least 1,193 were built between 1938 and 1945. It was the standard light gun of the German Mountain division, both Army and Waffen-SS.