of артиллерийский комплекс) is a twin 76-millimeter (3 in) naval gun, which was developed in the Soviet Union and is still in service in various navies.

[1] In 1954 the Soviet Union began development of a naval gun which could be used against both air and sea targets.

This would achieve a theoretical rate of fire of about 100 rounds per minute, but is unsustainable.

The cooling system is connected to the vessel's main water line.

[3] The fire control is carried out either automatically via a fire-control radar type MR-105 Turel (Russian: МР-105 «Турель», NATO code: Hawk Screech), semi-automatically with the Prisma optical sight, or manually.