40-mm Bofors 40 Mk 4

The BAE Systems Bofors 40-mm Mk 4 naval gun is designed to be lighter, more compact and flexible and cheaper to operate than its predecessor, the Mk 3 NGS. The Mk 3 was considered too heavy, large and expensive for many potential applications. The Mk 4 is designed to meet changing operational requirements, while retaining the proven 40-mm/70-cal gun.

The weapon system is being offered as the main gun for vessels measuring up to 98 ft (30 m) in length, as well as amphibious and...