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15.2cm Twin Gun Mount Kai

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15.2cm Twin Gun Mount Kai

No.139 15.2cm連装砲改

Medium Caliber Main Gun Medium Caliber Main Gun

Effects: Firepower+6 Anti-Air+3 Accuracy+4 Range Medium

Scrap Value: Ammunition2 Steel3 Bauxite1

Equipment Card 15.2cm Twin Gun Mount Kai.png

Equipment Character 15.2cm Twin Gun Mount Kai.png

Equipment Item 15.2cm Twin Gun Mount Kai.png

Equipment Full 15.2cm Twin Gun Mount Kai.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



The improved and revised model of the dual-purpose gun developed as the main armament for the Agano-class light cruisers.
It was a new design of light cruiser guns that emphasised combat with other cruisers but also possessed limited anti-air capabilities.
This upgrade slightly improves it's accuracy. It is a new model main gun that fits light cruisers.


How To Obtain

Stock equipment of Noshiro Kai NiNoshiro Kai Ni

Upgradeable from 15.2cm Twin Gun Mount15.2cm Twin Gun Mount

Ranking reward for:

  • Apr 2015: 1-5 (x2), 6-20, 21-100, 101-500
  • May 2015: 1-5, 6-20, 21-100, 101-500
  • Jul 2015: 1-5, 6-20, 21-100, 101-500
  • Sep 2015: 21-100, 101-500
  • Dec 2015: 1-5, 6-20, 21-100, 101-500
  • Aug 2016: 1-5, 6-20, 21-100
  • Dec 2020: 1-5 (★+5), 6-20 (★+5), 21-100 (★+4), 101-500 (★+3)


Used to improve 14cm Twin Gun Mount14cm Twin Gun Mount

Updates History

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine View Range Armor Evasion Note
Agano-class Kai NiNoshiro Kai Ni
Yahagi Kai Ni
Yahagi Kai Ni B
+2 +1

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 Caliber Main Gun 15.2cm Twin Gun Mount Kai 0 20 80 100 30 3/4 2/3 1* S S S Y Y Y Sakawa
Uses 15.2cm Twin Gun Mounts for improvement
6 4/6 3/6 1*
10 - - -

See Also