Ordnance BL 60-Pounder

The Ordnance BL 60-Pounder was a British artillery gun used during the late 19th and early 20th centuries. It was a powerful weapon that saw action in numerous conflicts, including the Boer War and World War I. Typically, the guns were used in batteries of six or eight, providing devastating firepower against enemy positions. (Requires custom 57mm Barrel) 
 
the overall estimated cost for bricklinking parts is $100 AU