This is the M825A, a tougher more powerful anti-armour variant. The main cannon has been replaced by two Rail guns with smaller 75mm cannons underneath. It's anti-infantry is a smaller side machine-gun. It has extra armour plates on the front treads and where on the M825 there is a machine gun turret, on the M825A there is a heavy calliper 105mm cannon. The M825A is also known as the "Alpha Wolf" Tank.