Round 3UBK20 with guided missile 9M119M is a round of separate loading, designed for defeat of armoured vehicles including ones equipped with dynamic protection, small size targets of firing emplacement of fortified emplacement type, low-flying attacking air targets with low speed and targets which are over water surface.

The control system is semi-automatic, jamming invulnerable, by a laser beam.

The firing of 3UBK20 round is performed with smoothbore gun 2A45 of systems 9K118 and D81 of tanks T-72C, T-80U, T-90C both in a stationary position and when moving. The temperature range during combat use is from +50°C to −50°C.

The round is an effective weapon under conditions of optical visibility of targets under different weather conditions and under conditions of arid and humid tropical climate.