Narrative History
Fleet
Battles
Personnel
Timelines
Technology
More

Search

Home
Weapons
Naval Guns
BL 15-inch Mk I

Weapon

BL 15-inch Mk I

Quick Facts

Type: Naval Gun
Introduced: 1915
Era: World War I
Calibre / Size: 15 inch
Role: Battleship main armament
Notable Use: HMS Queen Elizabeth

Explore

Weapons
Ships
Technology
Timelines

Featured

This sidebar area can be used for adverts, featured collections, notices, or sponsor content.

Royal Navy History

Exploring the ships, battles, strategy, and people that shaped Britain’s naval past.

Explore

Ships
Battles
Timeline
Technology
Personnel

Research

Research Guides
Analysis & Commentary
Innovation
Reference
Glossary

Contribute

Submit an Article
Work With Us
News
Contact

About

About Us
Mission Statement

© 2026 Royal Navy History. All rights reserved.

Terms Privacy Copyright Disclaimer Cookies