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.
This page contains content from the copyrighted Wikipedia article "BL 6 inch Mk XXIII naval gun"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.
