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30.5cm Triple Gun Mount

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No.231 30.5cm三連装砲
RedGunHeavy.png Large Caliber Main Gun (??)
Effects: Firepower+16 Armor+1 Accuracy+1 RangeLong
Scrap value: Ammo 8 Steel 12 (Unbuildable)

Equipment Card 30.5cm Triple Gun Mount.png

Equipment Character 30.5cm Triple Gun Mount.png

Equipment Item 30.5cm Triple Gun Mount.png

Equipment Full 30.5cm Triple Gun Mount.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



A battleship main battery from a northern country.
As far as battleship main guns are concerned its scale was considered behind the times during the age of superdreadnoughts, but nevertheless it was mounted as a triple-barrelled main battery on at the time modern dreadnoughts.


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

Stock equipment of: GangutGangut (x2)

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 30.5cm Triple Gun Mount 0 20 230 330 0 5/6 2/3 1xRedGunHeavy.png Gangut Uses 1x 35.6cm Twin Gun Mount for improvement up to ★+6
Uses 1x 41cm Twin Gun Mount for improvement past ★+6
Uses 3x 35.6cm Twin Gun Mount for upgrade to 30.5cm Triple Gun Mount Kai
6 7/8 3/4 1xRedGunHeavy.png
10 9/10 5/7 3xRedGunHeavy.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 Day 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy Night 1.30 1.84 2.25 2.60 2.91 3.18 3.44 3.68 3.90 4.11

See Also

12"/52 Pattern 1907 gun