BL 12-inch Mk XI – XII naval gun
British naval gun / From Wikipedia, the free encyclopedia
The BL 12-inch Mark XI and Mark XII gun[note 1] were British breech loading (BL) naval guns of 50-calibres length mounted as primary armament on dreadnought battleships from 1910.
Quick Facts Type, Place of origin ...
BL 12-inch Mk XI and Mk XII gun | |
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Type | Naval gun |
Place of origin | United Kingdom |
Service history | |
In service | 1910–1922 |
Wars | World War I |
Production history | |
Designer | Vickers |
Manufacturer | Vickers
Armstrong Whitworth Coventry Ordnance Works William Beardmore and Company |
Specifications | |
Barrel length | 50 ft (15.24 m) bore (50 calibers) |
Shell | 850 lb (385.6 kg) Lyddite, Armour-piercing, Shrapnel[1] |
Calibre | 12 inches (304.8 mm) |
Muzzle velocity | 2,825 ft/s (861 m/s)[2] |
Maximum firing range | 19,380 m (21,190 yd)[3] |
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