57-mm SAK 57 Mk 2 naval gun

This dual-purpose gun is the main armament of several classes of large patrol and missile craft as well as the Canadian navy's HALIFAX-class frigates. This 70-caliber weapon is a development of the SAK 57 Mk 1 (see separate database entry). Unlike the Mk 1, which is liquid-cooled, the Mk 2 has a mono-block barrel that does not require liquid cooling.

The computer-controlled loading system is designed to reload quickly and automatically. Two loaders below decks place pairs of...