BL 6-inch Mk XI naval gun
The BL 6-inch Mark XI naval gun 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.
| BL 6-inch Mk XI naval gun | |
|---|---|
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 |
| Variants | Mk XI |
| Specifications | |
| Mass | 19,237 lbs (8,726 kg) |
| Barrel length | 300 inches (7.620 m) bore (50 cal) |
| Shell | 100 pounds (45.36 kg) Lyddite, Armour-piercing, Shrapnel |
| Calibre | 6 inches (152.4 mm) |
| Muzzle velocity | 2,900 feet per second (884 m/s) |
| Maximum firing range | 18,000 yards (16,000 m) @ 22.5° |
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