BL 6-inch Mk XI naval gun
British 50 calibre high-velocity naval gun / From Wikipedia, the free encyclopedia
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The BL 6-inch Mark XI naval gun[6] was a British 50 calibres high-velocity naval gun which was mounted as primary armament on cruisers and secondary armament on pre-dreadnought battleships from 1906 onwards.
Quick Facts Type, Place of origin ...
BL 6-inch Mk XI naval gun | |
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![]() Gunnery exercise on HMAS Melbourne circa. 1913 | |
Type | Naval gun Coast defence gun |
Place of origin | United Kingdom |
Service history | |
In service | 1906 – 1957 |
Wars | World War I World War II |
Production history | |
No. built | 177[1] |
Variants | Mk XI |
Specifications | |
Mass | 19,237 lbs (8,726 kg)[2] |
Barrel length | 300 inches (7.620 m) bore (50 cal) |
Shell | 100 pounds (45.36 kg) Lyddite, Armour-piercing, Shrapnel[3] |
Calibre | 6 inches (152.4 mm) |
Muzzle velocity | 2,900 feet per second (884 m/s)[4] |
Maximum firing range | 18,000 yards (16,000 m) @ 22.5°[5] |
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