# 6 inch/40 caliber Mark 4

> naval gun by the United States

**Wikidata**: [Q25345698](https://www.wikidata.org/wiki/Q25345698)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/6-inch/40-caliber_gun)  
**Source**: https://4ort.xyz/entity/6-inch-40-caliber-mark-4