Tags: Weapon.
The BL 6 inch guns Marks II III IV and VI were the second and subsequent generations of British 6-inch breechloading naval guns designed by the Royal Gun Factory following the first 6-inch breechloader the relatively unsuccessful BL 6 inch 80 pounder gun designed by Elswick Ordnance. They were originally designed to use the old gunpowder propellants. They were superseded on new warships by the QF 6 inch gun from 1891.