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46cm Triple Gun Mount Kai

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No.276 46cm三連装砲改
RedGunHeavy.png Large Caliber Main Gun (??)
Effects: Firepower+27 AA+6 Armor+2 Accuracy+2 RangeVery Long
Scrap value: Ammo 25 Steel 26 Bauxite 2 (Unbuildable)

Equipment Card 46cm Triple Gun Mount Kai.png

Equipment Character 46cm Triple Gun Mount Kai.png

Equipment Item 46cm Triple Gun Mount Kai.png

Equipment Full 46cm 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



An improved variant of the largest and most powerful ship guns ever built, which were developed in secret at Kure Naval Yard Gunnery Division.
This strengthening and improvement incorporate the various lessons learned from the main batteries installed on the Yamato-class battleships, which could outrange the enemy's main battleships. The true value of this weapon shines when equipped together with the 15.5cm Triple Gun Mount Kai (Secondary) aboard the Yamato and Musashi.


Main GunsSmall Caliber Main GunMedium Caliber Main GunLarge Caliber Main Gun are the main armament 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: 46cm Triple Gun Mount46cm Triple Gun Mount

From quest: B182 (★+8, choice)

Ranking reward for:

  • Dec 2017: 1-5, 6-20
  • Jan 2018: 1-5, 6-20, 21-100, 101-500


Used to improve: Prototype 51cm Twin Gun MountPrototype 51cm Twin Gun Mount

Updates History


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 46cm Triple Gun Mount Kai 0 50 490 860 80 8/9 5/6 3xGreenGunMG.png  
Yamato KaiYamato Kai
Yamato Kai NiYamato Kai Ni
Musashi Kai/Kai NiMusashi Kai
Musashi Kai Ni
Upgrades to Prototype 51cm Twin Gun MountPrototype 51cm Twin Gun Mount.
6 9/16 8/9 3xRedGunHeavy.png
10 26/51 13/17 6xRedGunHeavy.png
3xItem Icon New Model Gun Mount Improvement Material.png
2xItem Icon New Model Armament Material.png
Improvement Improved effects
Large Caliber Main Gun 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 1.50 2.12 2.59 3.00 3.35 3.67 3.96 4.24 4.50 4.74
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