| Ordnance RML 64 pounder 58 cwt gun (converted) | |
|---|---|
 64 Pounder (58 cwt) RML gun barrel, diagram from handbook | |
| Type | Coast defence gun |
| Place of origin | United Kingdom |
| Service history | |
| In service | 1870–1902 |
| Used by | British Army British Colonies |
| Production history | |
| Designer | Lt Col William Dundas |
| Designed | 1847 |
| Manufacturer | Royal Gun Factory |
| Variants | One mark only |
| Specifications | |
| Mass | 6,496 pounds (2,947 kg) |
| Barrel length | 103.27 inches (2.623 m) (bore)[1] |
| Shell | 64 pounds (29.03 kg) |
| Calibre | 6.3-inch (160.0 mm) |
| Carriage | Garrison carriage |
| Muzzle velocity | 1,230 feet per second (370 m/s)[2] |
| Sights | Centre sighted |
The RML 64-pounder 58 cwt guns (converted) were British rifled muzzle-loading guns converted from obsolete smoothbore 32-pounder 58 cwt guns.[note 1]
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