40-mm L/60 naval gun

The Bofors 40-mm L/60 naval anti-aircraft gun was one of the most widely used light shipboard air defense guns in World War II. The guns were fitted in single, twin and quadruple-barrel mounts. It was license-produced by several countries and in service with many others.

Although used for both land and shipboard air defense and fitted in a variety of naval gun mounts, the basic weapon remained relatively unchanged.

Barrels were produced in 56- and 60-cal lengths, with many British...