The QF 4.5 inchgun has been the standard medium-calibre navalgun used by the Royal Navy as a medium-range weapon capable of use against surface, aircraft
The QF 4 inch Mk XVI gun was the standard British Commonwealth naval anti-aircraft and dual-purpose gun of World War II. The Mk XVI superseded the earlier
The Ordnance QF Hotchkiss 6 pounder gun Mk I and Mk II or QF6 pounder 8 cwt were a family of long-lived light 57 mm navalguns introduced in 1885 to defend