BL 6 inch Mk XXIII naval gun

The 50 calibre BL 6 inch gun Mark XXIII was the main battery gun used on the Royal Navy and British Commonwealth's conventional (non-anti-aircraft) light cruisers built from 1930 through the Second World War, and passed into service with several other navies when ships were disposed of after the end of the War.

Country Name Origin Year
United Kingdom - UK (Great Britain) 1931
Country Name Operational Year Retirement Year
Australia View
Canada View
China View
India View
Peru View
United Kingdom - UK (Great Britain) 1931 1985 View
New Zealand View

Type Naval gun
Place of origin United Kingdom
Service history
In service 1931 - 1985
Used by  Royal Navy
 Royal Australian Navy
 Royal New Zealand Navy
 Royal Canadian Navy
 Indian Navy
 Peruvian Navy
 Republic of China Navy
 People's Liberation Army Navy
Wars Second World War
Korean War
Production history
Number built 469
Weight 7 tonnes
Barrel length 300 inches (7.6 meters)
Shell 112 pounds (51 kg)
Calibre 6-inch (152.4 mm)
Muzzle velocity 2760 feet per second (840 m/s)
Maximum firing range 25,480 yd (23,300 m) at 45 degrees elevation

End notes