The main gun can also fire a laser guided missile against battle tanks, armoured vehicles and hovering helicopters within the range of 5,000m. The ammunition includes high explosive fragmentation (HE-FRAG), armour-piercing fin-stabilised discarding-sabot (APFSDS), high explosive anti-tank (HEAT) and gun mount (GM) rounds. The main gun is fed by a loading system equipped with conveyor, automatic loader and control system. Oplot is armed with a KBA-3 125mm smoothbore gun, a KT-7.62 (PKT) coaxial machine gun and a KT-12.7 anti-aircraft machine gun. The stationary and moving targets can be hit with a high first round hit probability. The advanced fire-control system enables the gunner or commander to lay and fire the main armament on the move. The tank is also equipped with LIO-V ballistic computer, armament stabiliser and other systems. The panoramic sighting system enables aiming and firing from a remote-controlled machine gun to destroy aerial targets. The fire control system includes a gunner’s day sight, commander’s PNK-6 panoramic sighting system, PTT-2 thermal imaging sight, anti-aircraft sight and anti-aircraft machine gun control system. The centre periscope can be replaced with a night driving device. The vehicle has three forward-facing periscopes in front of the driver’s cupola. The tank is designed to operate at temperatures ranging between -40☌ and +55☌. The Oplot-M tank has a length of 9.7m (including the forward-facing gun), a width of 3.4m without removable side skirts, and a height of 2.8m. The commander on the right and the gunner on the left have single-piece hatches. The driver sitting in the centre is provided with a single-piece hatch cover that opens to the right. The tank has a conventional layout with the driver’s compartment at the front, fighting compartment in the middle and engine at the rear, accommodating a crew of three members. The Oplot-M (Modernised) or BM Oplot is an upgraded version of the T-84 Oplot MBT.

Hydraulic main battle tank design