The BL 6 inch Gun Mark VII (and the related Mk VIII) was a British naval gun dating from 1899 which was mounted on a heavy traveling carriage in 1915 for British Army service to become one of the main heavy field guns in the First World War and also served as one of the main coast defence guns throughout the British Empire until the 1950s.
This page contains content from the copyrighted Wikipedia article "BL 6-inch Mk VII 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.