QF 4.7-inch Mk V naval gun
| QF 4.7 inch Gun Mk V | |
|---|---|
On troopship Orca, March 1919 | |
| Type | Naval gun Coast defence gun |
| Place of origin | United Kingdom Japan |
| Service history | |
| In service | 1900–1945 |
| Used by | British Empire |
| Wars | World War I World War II |
| Production history | |
| Designer | Elswick Ordnance |
| Designed | ca. 1895 |
| Variants | Mark V, Mark V* |
| Specifications | |
| Mass | Barrel & breech 5,936 pounds (2,693 kg) |
| Barrel length | 212.6 inches (5.40 m) (45 cal) |
| Shell | Separate loading QF 45 pounds (20.41 kg) Common Pointed, Lyddite |
| Calibre | 4.724 inches (120 mm) |
| Breech | single motion interrupted screw |
| Recoil | 8 inch |
| Elevation | -10° to +20° |
| Rate of fire | Approx. 8-10 rounds per minute |
| Muzzle velocity | 2,350 feet per second (720 m/s) |
| Maximum firing range | 16,500 yards (15,100 m) |
The QF 4.7 inch Gun Mark V originated as a 4.7 in (120 mm) 45-calibre naval gun designed by the Elswick Ordnance Company for export customers and known as the Pattern Y.