It was designed to attack modern fortifications, but its short range and ineffective ammunition led to the development of the 30.5 cm Mörser M 11 and M 16.

Based on a Krupp 1888–1890 design, Škoda Works developed a new heavy mortar on a middle pivot mounting for testing in 1896.

However, the authorities realised that advancing technology required a newer design using a barrel in a cradle mounted on a hydraulic recoil system.

[1] It was notable as the first weapon with a modern recoil system to see service with the Austro-Hungarian artillery as well as the first design to require motor traction.

The purchase action by Sir Henry Brackenbury served two purposes, to thwart a German agent acting on behalf of the Boers and to provide a capability for use against the forts around Pretoria.