6"/53 caliber gun
|6"/53 caliber naval gun|
|In service||1920 - 1945|
|Used by||United States|
|Wars||World War II|
|Variants||Mk 13, Mk 16, Mk 17|
|Barrel length||8 meters (300 in) bore (53 calibers)|
|Shell||105 pounds (48 kg)|
|Caliber||150 millimeters (6 in)|
|Muzzle velocity||900 meters per second (3,000 ft/s)|
|Maximum range||23,130 meters (25,300 yd)|
Mark 13 casemate mounting
These guns were intended for the secondary battery of the Lexington class battlecruisers and South Dakota class battleships. They were installed in Omaha class cruisers when the intended ships were canceled under provisions of the Washington Naval Treaty. Range was 11 miles (19 kilometers) at the maximum elevation of 20 degrees.
Mark 16 turret mounting
Mark 17 wet mounting
These single open mounts were installed fore and aft of the conning tower on USS Argonaut (SM-1), USS Narwhal (SS-167), and USS Nautilus (SS-168). Range was 12 miles (21 kilometers) at the maximum elevation of 25 degrees.
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- Campbell, John (1985). Naval Weapons of World War Two. Naval Institute Press. ISBN 0-87021-459-4.
- Fairfield, A.P. (1921). Naval Ordnance. The Lord Baltimore Press.