T-80 ruining Ukrainian fortifications | 125MM 2A46M-1 automatic smoothbore gun

T-80 Main Battle Tank's primary weapon: 125MM 2A46M-1 automatic smoothbore gun. Refleks anti-tank guided missile system/Kobra anti-tank system in updated T-80s. Explosive reactive armor a feature of the T-80 since very early versions. Overshadowed by other Russian tanks, T-80 saw baptism by fire in the Chechen war.