BL 5-inch gun Mk I – V
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The BL 5-inch guns Mk I – Mk V[note 1] were early British 5-inch rifled breechloading naval guns after it switched from rifled muzzle-loaders in the late 1870s. They were originally designed to use the old gunpowder propellants. The 5-inch calibre was soon discontinued in favour of QF 4.7-inch.
Quick Facts Ordnance BL 5-inch gun Mks I – V, Type ...
Ordnance BL 5-inch gun Mks I – V | |
---|---|
Type | Naval gun Coast defence gun Field gun |
Service history | |
In service | 1880–1947? |
Used by | United Kingdom |
Wars | Second Boer War |
Production history | |
Variants | Mks I – V |
Specifications | |
Mass | Mk I – II : 38 long hundredweight (1,930 kg) Mk III – V : 40 long hundredweight (2,030 kg) |
Barrel length | 125 inches (3,175 mm) bore (25 calibres)[1] |
Shell | 50 pounds (22.68 kg)[1] |
Calibre | 5-inch (127.0 mm) |
Breech | de Bange |
Muzzle velocity | 1,750 feet per second (533 m/s)[2] |
Maximum firing range | 8,700 yards (8,000 m)[1] |
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