Japanese 15.5cm Naval Gun (3rd Year Type)
Technical Information

Background
60 kōkei sannenshiki 15.5 centi sanrensōhō. Designed by the Imperial Japanese Navy (IJN) and built by the Kue Naval Arsenal in Kure. Designated the 15.5cm Naval Gun 3rd Year Type (somtimes referred to as 15cm Naval Gun). was a dual-purpose naval gun used by the Imperial Japanese Navy

Technical Details
Caliber  155mm / 6.1" 60 caliber
Shell  123.2 pounds / 55.87 kg projectile
Maximum Range  27,400 meters / 30,000 yards when fired at 45° elevation
Rate of Fire  5 rounds per minute