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12.7cm Single Gun Mount

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12.7cm Single Gun Mount

No.78 12.7cm単装砲

Small Caliber Main Gun Small Caliber Main Gun

Effects: Firepower+2 Accuracy+1

Scrap Value: Ammunition1 Steel1

Equipment Card 12.7cm Single Gun Mount.png

Equipment Character 12.7cm Single Gun Mount.png

Equipment Item 12.7cm Single Gun Mount.png

Equipment Full 12.7cm Single 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 was the main gun of destroyers from that country. It was equipped on the Z1 class of destroyers.
Although it was just a single-mount, it was a good gun for anti-ship and anti-ground shelling.
Unfortunately, this gun is unsuited for anti-air combat."


Stock equipment of Z1 and Z3. Not to be confused with 12.7cm Twin Gun Mount.

Requires a German secretary ship (e.g. Z1) to be constructed.

Fit Bonuses

Z-class destroyers (Z1, Z3) get the following bonus for each gun:

+1 Icon Gun.png, +1 Icon Evasion.png

Additionally, equipping a surface radar adds the following bonus:

+2 Icon Gun.png, +2 Icon Torpedo.png, +2 Icon Evasion.png

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
Small Caliber Main Gun 12.7cm Naval Gun 0 10 20 70 10 3/3 1/2 1xRedGunLight.png X X X X X Z1
6 4/5 2/3 1xRedGunLight.png
10 - - -

See Also

12.7 cm SK C/34 naval gun