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16inch Mk.V Twin Gun Mount

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16inch Mk.V Twin Gun Mount

No.331 16inch Mk.V連装砲

Large Caliber Main Gun Large Caliber Main Gun

Effects: Firepower+21 Armor+2 Evasion+1 Anti-Air+2 Accuracy+2 Range Long

Scrap Value: Ammunition13 Steel21 Bauxite2

Equipment Card 16inch Mk.V Twin Gun Mount.png

Equipment Character 16inch Mk.V Twin Gun Mount.png

Equipment Item 16inch Mk.V Twin Gun Mount.png

Equipment Full 16inch Mk.V Twin 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



This is an improved and enhanced version of the 16 inch main gun turrets adopted as the standard armament of the American-made Big 7, the Colorado-class. The nameship of the Colorado-class battleships, along with her sisters that were once destroyed at Pearl Harbor, were refitted with these guns after their overhaul at the start of the war.


How To Obtain

Stock equipment of Colorado KaiColorado Kai

Upgradeable from 16inch Mk.I Twin Gun Mount16inch Mk.I Twin Gun Mount

Ranking reward for:

  • Mar 2019: 1-5, 21-100
  • Apr 2019: 21-100
  • Mar 2022: 21-100 (★+1)

Updates History

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine View Range Armor Evasion Note
Colorado KaiColorado Kai +2 +1
Nagato-class Kai NiNagato Kai Ni
Mutsu Kai Ni

Nelson KaiNelson Kai


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
Large Caliber Main Gun 16inch Mk.V Twin Gun Mount 0 30 350 480 0 6/7 3/4 2xRedGunHeavy.png X X X Colorado Upgrades to 16inch Mk.VIII Twin Gun Mount Kai.
6 8/16 4/7 3xRedGunHeavy.png
10 17/27 7/13 4xRedGunHeavy.png
2xItem Icon New Model Gun Mount Improvement Material.png
2xItem Icon New Model Armament Material.png

See Also