Simulation of a Centurion Mk 10 projectile hitting the frontal armor of M60A1 105mm L52A1 APDS (4. 6 kg, tungsten alloy core) at 1380 m, s vs M60A1 upper hull front armor (109 mm CHA at 65 degrees) relatively soft armor 220 BHN, with good ductility 105mm L7A1 muzzle velocity (for L52) 1426 m, s. 1380 m, s refers to a distance of approximately 0. 6 km