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20.3cm(no.3) Twin Gun Mount

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20.3cm (no.3) Twin Gun Mount

No.50 20.3cm(3号)連装砲

Intermediate Caliber Main Gun Medium Caliber Main Gun

Effects: Firepower+10 Anti-Air+4 Accuracy+1

Scrap Value: Ammunition3 Steel4





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



"An improvement of the 20.3cm twin gun, it is the No. 3 twin gun.

This model further enhances the originally high-performance heavy cruiser main gun.

This weapon is an excellent 55 caliber main gun for heavy cruisers.

It is an excellent gun, but there is a flame in economic efficiency, it can not be mass-produced as there is a limited supply of prototypes."


Unbuildable. Stock equipment of Kinugasa Kai Ni, Mikuma Kai, Tone Kai Ni, and Chikuma Kai Ni. Given out as ranking rewards from April 2013 to December 2013, see Experience and Rank for more details.

Akashi's Improvement Arsenal

Type Name Resource Day 2nd Ship Note
Fuel Ammunition Steel Bauxite Development material.png Improvement Materials.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
Intermediate Caliber Main Gun 20.3cm(no.3) Twin Gun Mount 0 10 110 140 0 3/4 2/3 - X X X X X Mikuma
6 3/5 3/5 1
10 - - -

See Also

20 cm/50 3rd Year Type naval gun Type C mounted.