BL 7.5-inch Mk VI naval gun

Ordnance BL 7.5-inch gun Mk VI
Gun on HMS Frobisher off the south coast of England, 5 June 1944, 12 hours before D-Day
TypeNaval gun
Coast defence gun
Place of originUnited Kingdom
Service history
In service1919–1945[1]
Used byRoyal Navy
WarsWorld War II
Production history
No. built44[2]
Specifications
Mass14 tonnes (14,000 kg)[2]
Barrel length337.5 inches (8.6 m); (45 calibres)[2]
Shell200 pounds (91 kg)[2]
Calibre7.5-inch (190 mm)[2]
Muzzle velocity2,770 feet per second (844 m/s)[2]
Maximum firing range12 miles (19 km)[2]

The BL 7.5-inch gun Mark VI[3] was the 45 calibre naval gun forming the main battery of Royal Navy Hawkins-class cruisers. These ships with seven single gun mounts were significant to the cruiser limitations defined by the Washington Naval Treaty.[4]

  1. ^ Whitley 1995 pp.77–80
  2. ^ a b c d e f g Campbell 1985 p.33
  3. ^ Mark VI = Mark 6. Britain used Roman numerals to denote Mark (models) of ordnance until after World War II. This was the 6th model of BL 7.5-inch naval gun.
  4. ^ Preston 1980 pp.69–70