| QF 4.7 inch Mark XI | |
|---|---|
 Forward turrets on HMS Matchless | |
| Type | Dual-purpose gun |
| Place of origin | United Kingdom |
| Service history | |
| In service | 1941–1970 |
| Used by | Royal Navy Turkish Navy |
| Wars | World War II Korean War |
| Production history | |
| Designed | 1937–39? |
| No. built | 87 |
| Specifications | |
| Mass | 3.351 long tons (3,405 kg) |
| Length | 247.7 in (6.29 m) |
| Barrel length | Bore: 236.2 in (6.00 m) L/50 (cal) |
| Shell | Separate-loading |
| Shell weight | 62 pounds (28.1 kg) SAP or HE |
| Calibre | 4.724 inches (120.0 mm) |
| Breech | Semi-automatic horizontal sliding-block |
| Recoil | Hydro-pneumatic |
| Elevation | -10° to +50° |
| Rate of fire | 10 rounds per minute |
| Muzzle velocity | 2,538 ft/s (774 m/s) |
| Maximum firing range | 21,240 yards (19,420 m) at 45° |
The 4.7 inch QF Mark XI[Note 1] was a 50-calibre, 4.7-inch (120 mm) naval gun mounted on Royal Navy (RN) and Allied destroyers during World War II.[1]
Cite error: There are <ref group=Note> tags on this page, but the references will not show without a {{reflist|group=Note}} template (see the help page).
- ^ Campbell, p. 46