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
TypeLight trench mortar
Place of originGerman Empire
Service history
In service1914–1918
Used byGerman Empire
WarsWorld War I
Production history
DesignerHeinrich Lanz
Mass114 kilograms (251 lb)
Barrel length595 millimetres (23.4 in)

Shell3.8 kilograms (8.4 lb)
Caliber91.5 mm
Maximum firing range450 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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