Military Training Pamphlet. no. 35. Part 3. Royal Armoured Corps. Weapons. 75 mm. Gun. (M.2 and M.3) 75 mm. Tank Gun M2. (Mounted in Medium Tank M3). - USA Voorschrift Field Manual 23-95 Gun 75 mm. M3, M6 and M17 Firing. Projectile, Fixed, APC-T, M61 and M61A1. Shell, Fixed, HE, M48. Shell, Fixed, Smoke, HC, BI, M89, Shell, …