AU-220M Remote Controlled Weapon Station armed with BM-57 57mm automatic cannon, developed by CRI BUREVESTNIK and proposed by Uralvagonzavod/ It can be mounted on light and medium armored vehicles, such as BMP-3. It was first demonstrated at the IDEX-2015 exhibition.

Automatic gun can fire two types of unitary 57 mm ammunition:

• 53-UBR-281U Armor-piercing Tracer Round

• 53-ERM-281U Fragmentation Tracer Round

• Rate of fire - 120 rounds per minute

• The initial velocity of the projectile up to 1000 m/s

• The fire control system with two-plane stabilization

Automatic 57 mm gun has 200 rounds ammunition. The maximum firing range up to 12 km. The ammunition includes armor-piercing, high-explosive rounds and guided missiles.

The FCS controls the operations of target detection and identification, gun laying and firing of the 57mm automatic gun and 7.62mm machine-gun when firing from a halt, on the move and on the float in any combat enviroment.

The FCS is equipped with a sight unit, comprising a combined sight with thermal-imaging and TV channels, a laser-finder and independent dual-axis field of view stabilization.

• All-around fire - protection against 7.62mm bullets (~Level 3 acc. to STANAG 4569).

• Front arc - protection against 30mm bullets (~Level 5 acc. to STANAG 4569).