# BL 4 inch Mk IX gun

> British naval artillery

**Wikidata**: [Q4028244](https://www.wikidata.org/wiki/Q4028244)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/BL_4-inch_Mk_IX_naval_gun)  
**Source**: https://4ort.xyz/entity/bl-4-inch-mk-ix-gun