M1A1: Hull & turret - 600 mm vs APFSDS, 700 mm vs HEAT M1: Hull & turret - 350 mm vs APFSDS, 700 mm vs HEAT in my opinion it really is their best tank and I wouldn't like to meet face to face with this monster of the battlefield.Īrmor Chobham, RH armor, Depleted Uranium strike plates, Kevlar mesh The americans say that it's the best tank that they have ever made. M1 Abrams is the main battle tank of the USA.