Browning Machine Gun Caliber.30 inch, HB. M1919A4. Mounted in Combat Vehicles. FM 23-50 - USA Basic Field Manual, FM 23-50 Browning Machineguns Caliber .30 inch, M1917A1, M1919A4, M1919A4E1, M1919A6, and M37. FM 23-55 Mitrailleur Browning.30 inch, M1917A1 en M1919A4; drievoetaffuiten M1917A1 en M2 patroonbandvuller schakelvuller. VTH 9-1530/1531 Mitrailleur, Browning .30 inch. M1919A4. VS 17-201 voor de Mitrailleur Browning van .30 inch, M 1917 A 1 vurende met scherpe patronen van .30 inch. VS 2315
