Back 114 mm/55 Mark 8 Bulgarian 4,5-inch-Mark-8-Schiffsgeschütz German Cañón Mark 8 de 4,5" Spanish 4,5 tuuman Mark 8 Finnish Meriam laut 4,5 inci Mark 8 ID 114 mm Mk. 8 Italian 4.5インチ マーク 8 艦砲 Japanese 114 mm/55 Mark 8 Russian
| 4.5-inch Mark 8 naval gun | |
|---|---|
 4.5-inch Mk 8 Mod 1 naval gun on HMS Defender. The multi-faceted gunhouse is designed to reduce radar cross section. | |
| Type | Naval gun |
| Place of origin | United Kingdom |
| Service history | |
| In service | 1972–present |
| Wars | Falklands War Invasion of Iraq 2003 2011 military intervention in Libya |
| Production history | |
| Designer | Mod 0 : Royal Armament Research and Development Establishment Mod 1 : Royal Ordnance Defence |
| Variants | Mod 0, Mod 1 |
| Specifications | |
| Barrel length | 244.75 inches (6.217 m) bore (55 calibres) |
| Shell | 113 x 700mmR Fixed QF 46 pounds (21 kg) HE |
| Calibre | 4.45-inch (113 mm)[1] |
| Rate of fire | 25 rounds per minute automatic |
| Maximum firing range | 27.5 kilometres (17.1 mi)[2] |
The 4.5 inch Mark 8 is a British naval gun system which currently equips the Royal Navy's destroyers and frigates, and some British destroyers and frigates sold to other countries.
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