Trumpeter 1/35 K5(E) 28cm Railroad Gun Leopold 00207Although from the mid 19th century people started considering imparting mobility to large caliber artillery pieces by placing them on special railway mountings, it was WWI that gave the impetus to making the railway gun an important part of many European armories. The advantages of railway guns were to quickly concentrated and dispersed as necessary, and by rapid changes of position they could deliver long range harassing fire and remain undetected.