3.7 inch Mountain Howitzer
Mk 1 - Split trail, wooden wheels, pack carriage
Wt gun & breech mech - 451.5 lb
Introduced, officially, in February 1917 the gun broke down into several loads for either man or mule packing. The barrel was in two halves joined by a junction nut. Used during WW2 mainly in the Far East and Italy, it equipped the mountain batteries and was also used by the airborne artillery until replaced by the US 75 mm Howitzer. It was not declared obsolete until 1960.
With 20 lb Shrapnel shell:
Shell HE Mk 3 - Amatol filled. Restricted to charge 4 or less