RML 64-pounder 71 cwt gun
| Ordnance RML 64-pounder 71 cwt gun (converted) | |
|---|---|
No. 398 made by Royal Gun Factory in 1870, at the Royal Australian Artillery Memorial, Canberra | |
| Type | Naval gun Coast defence gun |
| Place of origin | United Kingdom |
| Service history | |
| In service | 1870 – 190? |
| Used by | Royal Navy Australian Colonies |
| Production history | |
| Designed | 1870 |
| Manufacturer | Royal Arsenal |
| Specifications | |
| Mass | 7,896 pounds (3,582 kg) |
| Barrel length | 103.27 inches (2.623 m) (bore) |
| Shell | 64 pounds (29.03 kg) |
| Calibre | 6.29-inch (159.8 mm) |
| Muzzle velocity | 1,230 feet per second (370 m/s) |
The RML 64-pounder 71 cwt guns (converted) were British rifled muzzle-loading guns converted from obsolete smoothbore 8-inch 65 cwt shell guns in the 1860s-1870s.