The 10,000 ton limit was a major factor in design decisions such as turrets and gun mountings.

A similar gun formed the main battery of Spanish Canarias-class cruisers.

Mark I turrets allowed gun elevation to 70 degrees to fire high-explosive shells against aircraft.

Hydraulic pumps proved incapable of providing sufficient train and elevation speed to follow contemporary aircraft; so simplified version of the Mark II turrets with a maximum elevation of 50 degrees were installed in Exeter.

[5] Six single guns capable of elevating to 70 degrees were installed as coastal artillery in the Folkestone-Dover area during the Second World War.