The upgraded 125-mm smoothbore gun, using armor-piercing sabots, is the tank's main armament. The tank is also fitted with a 7.62 mm machine gun and a roof-mounted 12.7 mm antiaircraft machine gun.
The T-72B3 is equipped with a new ballistic computer and a fire control system to improve firing accuracy. The tank's sight has day/night capability and can be used under any weather conditions. The tanks also have new communication systems.
The upgraded tanks, manufactured at the Uralvagonzavod plant, are expected to go into service in the near future. The Western Military District received approximately 2,000 pieces of military equipment in the last three months.
Russian army received several hundred upgraded T-72B3 battle tanks in the last two years.
