57-mm AK-725 naval gun

The AK-725 is a water-cooled, fully automatic, twin-barrel 57-mm gun used for attacking air or surface targets. The mount has been installed in a variety of ships of various sizes since the 1960s.

Equipped with the MR-103 radar control system, this gun was the first domestically produced fully automated 57-mm gun mount in (then) Soviet service. It uses two automatic guns installed in a common cradle with ammunition belt-fed from bunkers inside the ship. Both guns use a common...