The British used elephant guns as a means of countering the German tactic of having their snipers advance towards Allied lines under the cover of a large , 6 -- 10 millimeter ( 0.24 -- 0.4 inch ) thick steel plate .
The British used elephant guns as a means of getting around the German tactic of having their snipers advance towards Allied lines under the cover of a large , 6-10 millimeter ( 0.24-0 .4 inch ) thick steel plate .