| 6"/53 caliber naval gun | |
|---|---|
 Forward Mark 16 turret aboard USS Cincinnati (CL-6). | |
| Type | Naval gun |
| Service history | |
| In service | 1920 - 1945 |
| Used by | United States |
| Wars | World War II |
| Production history | |
| Variants |
|
| Specifications | |
| Barrel length | 26.5 feet (8 m) bore (53 calibers) |
| Shell | 105 pounds (48 kg)[1] |
| Caliber | 152 millimeters (6 in) |
| Muzzle velocity | 900 meters per second (2,950 ft/s)[1] |
| Maximum firing range | 23,130 meters (25,295 yd)[1] |
The 6"/53 caliber gun (spoken "six-inch-fifty-three-caliber") formed the main battery of some United States Navy light cruisers and three US submarines built during the 1920s.