9.15 cm leichtes Minenwerfer System Lanz

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9.15 cm leichter Minenwerfer System Lanz
Lanz 91 mm Memorial de Verdun.jpg
Type Light trench mortar
Place of origin German Empire
Service history
In service 1914–1918
Used by German Empire
Wars World War I
Production history
Designer Heinrich Lanz
Designed 1914–1915
Produced 1915–1918
Weight 114 kilograms (251 lb)
Barrel length 595 millimetres (23.4 in)

Shell 3.8 kilograms (8.4 lb)
Caliber 91.5 mm
Maximum firing range 450 metres (490 yd) (M 14/16)

The 9.15 cm leichtes Minenwerfer System Lanz (Trench mortar) was a light mortar used by Germany and Austria-Hungary in World War I. It was a smooth-bore, breech-loading design that used smokeless propellant. It was chosen by the Austrians as an interim replacement for their 9 cm Minenwerfer M 14, pending development of a superior domestic design, which eventually turned out to be the 9 cm Minenwerfer M 17. The older Austrian design had a prominent firing signature, a less effective bomb and shorter range than the Lanz. Over 500 were ordered with deliveries beginning in April 1917.


  • Ortner, M. Christian. The Austro-Hungarian Artillery From 1867 to 1918: Technology, Organization, and Tactics. Vienna, Verlag Militaria, 2007 ISBN 978-3-902526-13-7

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