Railway gun - Wikiwand

A railway gun, also called a railroad gun, is a large artillery weapon, built on, transported by, and fired from a specially designed railway wagon. Many countries have built railway guns, but the best known were made by Krupp and used by Germany in World War I and World War II. Smaller guns were often part of an armoured train.

17 cm SK L/40 gun - Wikiwand

8-inch Mk. VI railway gun - Wikiwand

Autocannon - Wikiwand

120 mm 50 caliber Pattern 1905 - Wikiwand

15 cm SK Nathan - Wikiwand

Canon de 19 modèle 1870/93 TAZ - Wikiwand

BL 12-inch railway gun - Wikiwand

BL 18-inch railway howitzer - Wikiwand

130 mm towed field gun M1954 (M-46) - Wikipedia

BL 9.2-inch Mk I – VII naval gun - Wikiwand

Did the Italians have something similar to the M2 .50 cal HMG during WW2? - Quora

Type 90 240 mm railway gun - Wikiwand

Did the Italians have something similar to the M2 .50 cal HMG during WW2? - Quora

17 cm SK L/40 i.R.L. auf Eisenbahnwagen - Wikiwand