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15.5cm Triple Gun Mount Kai

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No.235 15.5cm三連装砲改
RedGunMedium.png Medium Caliber Main Gun
Effects: Firepower+7 AA+5 Armor+1 Accuracy+3 Evasion+1 RangeMedium
Scrap value: Ammo 3 Steel 6 Bauxite 1 (Unbuildable)

Equipment Card 15.5cm Triple Gun Mount Kai.png

Equipment Character 15.5cm Triple Gun Mount Kai.png

Equipment Item 15.5cm Triple Gun Mount Kai.png

Equipment Full 15.5cm Triple Gun Mount Kai.png

Refittable Class
Coastal Defense Ship Destroyer
Light Cruiser Torpedo Cruiser
Heavy Cruiser Training Cruiser
Aviation Cruiser Fast Battleship
Battleship Aviation Battleship
Light Carrier Standard Aircraft Carrier
Armored Carrier Seaplane Tender
Submarine Aircraft Carrying Submarine
Submarine Tender Fleet Oiler
Repair Ship Amphibious Assault Ship



To cover the shortfall of heavy cruisers that were limited by the Treaty, this gun was developed to produce powerful light cruisers.
It is a masterpiece that had a good balance of range, firing rate, and operability. It was also capable of anti-air.
It was later adopted as the main gun of the famous Yamato-class battleships. This is an upgraded version of the gun that was used on the large-type light cruisers that have gone through many refinements and upgrades.


Main GunsSmall Caliber Main GunSmall Caliber Main GunLarge Caliber Main Gun are the main armement used by surface ships. Their main stats are the "firepower" Firepower and "accuracy" Accuracy. They are notably required to trigger all Artillery Spotting attacks as well as some Night Cut-Ins, notably the "Double Attack" (DA).


How To Obtain

Upgradeable from: 15.5cm Triple Secondary Gun Mount Kai15.5cm Triple Secondary Gun Mount Kai ★+7, 15.5cm Triple Gun Mount15.5cm Triple Gun Mount

Updates History

  • 2017-06-23: Implemented
  • 2017-10-25: Stats increased: Anti-Air+4 Accuracy+2 → Anti-Air+5 Accuracy+3
  • 2021-02-05: Visible bonuses added

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Ooyodo KaiOoyodo Kai +3 +1 +1 [1]
+ LOS Radar +3 +2
+ AIR Radar +3 +3
+2 +1 [2]
  1. Firepower+2 Anti-Air+1 Evasion+1 prior to 2022-01-21
  2. Firepower+1 Anti-Air+1 prior to 2022-01-21


Type Name Resource Day 2nd Ship Note
Fuel Ammunition Steel Bauxite Item Icon Development Material.png Item Icon Improvement Material.png # of equipment needed for that upgrade. An asterisk following the number indicates a different equipment is required. Sun Mon Tue Wed Thu Fri Sat
Medium Caliber Main Gun 15.5cm Triple Gun Mount Kai (Main) 0 15 120 150 30 6/7 4/5 2xRedGunMedium.png X X X X Ooyodo Kai Upgrades to 15.5cm Triple Gun Mount Kai (Secondary) ★+7
6 8/9 5/7 2xYellowGun.png
10 9/10 2/3 1xYellowGun.png
Improvement Improved effects
Medium Caliber Main Gun 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Night Battle Power 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16

See Also