first the QF 2-pounder (40 mm) and then the larger 6-pounder (57 mm). These guns were designed to fire armour-piercing shot, small high-velocity solid rounds
The 4.7 inchQF Mark IX and Mark XII were 45-calibre, 4.7-inch (120 mm) naval guns which armed the majority of Royal Navy and Commonwealth destroyers in
The QF6-inch Gun Mark N5 (initially designated QF6-inch Mk V) was a British naval gun, which was developed in the post-war period. It was the last large
45-calibre QF 4.5-inch Mk I – V naval guns. Like all British 4.5 inch naval guns, it has a calibre of 4.45 inches (113 mm). A new type of 4.5 inch gun with