# 5"/40 caliber Mark III gun

> US naval gun

**Wikidata**: [Q25345701](https://www.wikidata.org/wiki/Q25345701)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/5-inch/40-caliber_gun)  
**Source**: https://4ort.xyz/entity/5-40-caliber-mark-iii-gun