Browning machine Gun, Caliber.50 inch. HB. M2. FM 23-65 Storingstabel Mitrailleur Browning.50 inch Machine Gun Handbook. (Technical) Volume I, Pamphlet no. 2. Mountings, Tripod,.303 inch, M.G. MK IV, Adapter, Vickers, M.G. MK I, Mount, Field, Vickers.303 inch, M.G. …