RML 8-inch 9-ton gun
| RML 8-inch 9-ton gun | |
|---|---|
Gundeck of HMS Northumberland | |
| Type | Naval gun Coast defence gun |
| Place of origin | United Kingdom |
| Service history | |
| In service | 1866–190? |
| Used by | Royal Navy |
| Production history | |
| Manufacturer | Royal Arsenal |
| Unit cost | £568 |
| Variants | Mk I – Mk III |
| Specifications | |
| Mass | 9 long tons (9.1 t) |
| Barrel length | 118 inches (3.0 m) bore + chamber |
| Shell | 174 pounds 12 ounces (79.3 kg) |
| Calibre | 8-inch (203.2 mm) |
| Muzzle velocity | 1,420 feet per second (430 m/s) |
The British RML 8-inch 9-ton guns Mark I – Mark III were medium rifled muzzle-loading guns used to arm smaller ironclad warships and coast defence batteries in the later 19th century.