


This was the standard wartime Japanese heavy cruiser weapon, having been mounted in dual mountings aboard the Furutaka, Aoba, Myoko, Takao, Mogamiand Tone classes.
| Bore | 8.0 inches |
| Weight | 18.7 tons |
| Length OA | 405.9 inches |
| Weight Projectile | 277 lbs. |
| Muzzle Velocity | 2756 ft/s |
| Max. Elevation | +40/-5 degrees |
| Max. Range | 32,150 yards |
| Rate of Fire | 2-4/min |

