40-mm L/60

The Bofors 40-mm L/60 anti-aircraft gun, which remains in service, was one of the most widely used light anti-aircraft gun in World War II.

It was license-produced by at least a dozen countries and served with many others. The 40-mm L/60 was one of the smallest caliber guns with proximity-fuzed ammunition, which greatly increased its effectiveness.

Although fitted on many carriage designs and used for both land and shipboard air defense, the basic weapon remained relatively...