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15.5cm Triple Gun Mount

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15.5cm Triple Gun Mount

No.5 15.5cm三連装砲

Medium Main Gun Medium Caliber Main Gun

Effects: Firepower+7 Anti-Air+4 Accuracy+1 Range Medium

Scrap Value: Ammunition2 Steel5

Equipment Card 15.5cm Triple Gun Mount.png

Equipment Character 15.5cm Triple Gun Mount.png

Equipment Item 15.5cm Triple Gun Mount.png

Equipment Full 15.5cm Triple Gun Mount.png

Refittable Class
Coastal Defense ShipDestroyer
Light CruiserTorpedo Cruiser
Heavy CruiserAviation Cruiser
BattleshipAviation Battleship
Fast BattleshipLight Carrier
Standard CarrierArmored Carrier
Seaplane TenderSubmarine Tender
SubmarineSubmarine Carrier
Repair ShipTraining Cruiser
Fleet OilerAmphibious 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 was the first 3-gun turret with excellent range, fire rate and operability.
It was later adopted as the secondary guns of the Yamato-class battleships.
It is a masterpiece that can also be used for anti-air.


How To Obtain


Stock equipment of MogamiMogami, OoyodoOoyodo

Updates History

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
+1 Added 2021-02-05
OoyodoOoyodo +2 Added 2021-02-05 [1]
  1. Firepower +1 prior to 2022-01-21

Akashi's Improvement Arsenal

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 Main Gun 15.5cm Triple Gun Mount (Main) 0 10 90 120 0 2/2 2/3 - X X X X X M M Mogami
6 2/3 2/4 1xRedGunMedium.png
10 - - -
0 {{{Fuel:2}}} {{{Ammo:2}}} {{{Steel:2}}} {{{Baux:2}}} 2/2 2/3 - O O X X X O O Ooyodo Ooyodo can upgrade this into 15.5cm Triple Gun Mount Kai (Main).
6 2/3 2/4 1xRedGunMedium.png
10 8/12 4/8 2xRedGunMedium.png
1xItem Icon New Model Gun Mount Improvement Material.png


Equipped by Mogami-class cruisers before they were converted into heavy cruisers by swapping their gun into 20.3cm turrets. Apparently Mogami-class was designed as a heavy cruiser, but the naval treaty at the time defined cruiser types with main gun caliber so it is a sort of regulation loophole. The other ships that also equip this are the Yamato-class Battleship and the Oyodo-class Light Cruiser.

See Also

15.5 cm/60 3rd Year Type naval gun