| RML 9-inch Armstrong Gun | |
|---|---|
 Big model of gun turret on HNLMS Prins Hendrik, showing RML 9-inch Armstrong Gun. | |
| Type | Naval gun Coast defence gun |
| Place of origin | United Kingdom |
| Service history | |
| In service | 1867 |
| Used by |
|
| Production history | |
| Manufacturer | Elswick Ordnance Company |
| Specifications | |
| Mass | 12,300 kg[1] |
| Length | 3.962 m[2] |
| Calibre | 9-inch (229 mm) |
| Muzzle velocity | 1,476 feet per second (450 m/s)[3] |
The RML 9-inch Armstrong Gun was a rifled muzzle loading gun, used in substantial numbers by the Dutch navy, the Spanish Navy, and other navies. It should not be confused with the RML 9-inch 12-ton gun, used in the British Royal Navy.
- ^ Haakman 1872, p. part II, page 21.
- ^ Haakman 1872, p. part II, page20.
- ^ Brassey 1888, p. 476.