Submachine Gun Caliber .45 inch, M3 and M3A1. FM 23-41 155 mm. Gun M2 on Motor Carriage M40 and 8 Inch Howitzer M2 on Motor Carriage M43. FM 6-87 training regulations Cavalry : the cavalry machine-gun squadron / prep. under direction of the Chief of Cavalry - United Staten War Department Training Regulations TR 425-80 training regulations Cavalry : the employment of machine guns / prep. under direction of the Chief of Cavalry - United States War Department Training Regulations TR 425-110 Identification list for ordnance, B.L. 5.5-inch, Mark III and ordnance, B.L. 4.5.-inch mark II on carriage, 5.5-inch or 4.5-inch gun, mark I devil's paintbrush : Sir Hiram Maxim's gun / by Dolf L. Goldsmith ; ed. by R. Blake Stevens bellona handbook summary of the transport used by the British Army 1939-45 : Gun tractors, bridging vehicles, ambulances / M.P. Conniford wehrmacht illustrated Panzer-jäger : German self-propelled anti-tank guns, 1939-1945 / [by] Peter Chamberlain and Chris Ellis; drawings by Kenneth M. Jones afv/weapons profile Abbot FV433 self-propelled gun / by Christopher F. Foss afv/weapons profile Conqueror heavy gun tank / by Michael Norman world's weapons series world's submachine guns : (machine pistols) : vol. 1 : developments from 1915-1963 / by Thomas B. Nelson ; with the assistance of Hans B. … greenhill military manuals Submachine guns / by Ian V. Hogg