It saw action with German mountain divisions in Finland, Italy, France, on the Eastern Front and in the Balkans from 1942.

[3] The design of the 10.5 cm GebH 40 was relatively conventional in regard to the gun itself, with its standard German horizontal sliding block breech, split trail carriage with removable spades, and muzzle brake, but the carriage differed considerably from those typically used in the German army.

The wheels were made from light-alloy with solid rubber tires, and their spring suspension was fixed to the legs of the split-trail carriage and would "toe-in" when the legs were spread out in preparation for firing.

2 "Kettenkrad" half-track motorcycles or broken down into five pack-loads to be carried by mules.

The 10.5 cm GebH 40 fired a wide variety of ammunition, with the notable exception of a conventional armor-piercing shell.