Browning machine Gun, Caliber.50 inch. HB. M2. FM 23-65 37 mm. Gun Antitank M3. FM 23-70 57 mm. Rifle M18. FM 23-80 60 mm. Mortar M2. FM 23-85 60 mm. Mortar M19. FM 23-85 81 mm. Mortar M1. FM 23-90 Chemical Mortar 4.2 inch. FM 23-92 Service on the Piece 90 mm AA Gun M2 Series. FM 44-27 105 mm. Howitzer M2A1 on Motor Carriage M7B1 and M7B2. FM 6-74 105 mm. Howitzer M2-Series Towed. FM 6-75 155 mm. Howitzer M1, Towed. FM 6-81 155 mm. Howitzer M1 on Motor Carriage M41. FM 6-82
