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 Gun 76 mm. M1A1, M1A1C and M1A2 firing, Projectile fixed, APC-T, M62 and M62A1. Projectile fixed, illum, MK 24 mod.1. Projectile fixed, illum, Mk 25 … 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 Browning machine gun, caliber .50, HB, M2 (mounted in combat vehicles) - USA Basic Field Manual, FM 23-65 Tank training : Volume II-Part III: Pamphlet No. 3: 5-in. vickers machine guns marks IV and II Identification list for gun, machine, Vickers 303-inch, Mark I on mounting, tripod, 303-inch M.G., Marks 4B & 5. : Section CI Handbook of the Q.F. 13-pr. guns on motor lorry mountings Small arms training : Training / War Office. Army Council. Vol. I. Pamphlet no. 7: .303-inch machine gun - Engeland Voorschrift, 26/GS Publications/1095 Antiaircraft artillery : service of the piece 3-inch antiaircraft gun - USA Coast Artillery Field Manual, FM 4-125 Small arms training : Thompson Sub-Machine-Gun / War Office. Army Council. Vol. I - Engeland Voorschrift, 26/GS Publications/353