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6inch Twin Rapid Fire Gun Mount Mk.XXI

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No.359 6inch 連装速射砲 Mk.XXI
RedGunMedium.png Medium Caliber Main Gun
Effects: Firepower+5 AA+3 Armor+1 Accuracy+2 Evasion+1 RangeMedium
Scrap value: Ammo 2 Steel 3 Bauxite 1 (Unbuildable)

Equipment Card 6inch Twin Rapid Fire Gun Mount Mk.XXI.png

Equipment Character 6inch Twin Rapid Fire Gun Mount Mk.XXI.png

Equipment Item 6inch Twin Rapid Fire Gun Mount Mk.XXI.png

Equipment Full 6inch Twin Rapid Fire Gun Mount Mk.XXI.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 medium caliber gun developed by the Country of Tea.
This gun was the main gun of the light cruisers from the Country of Tea and also those that were built there and transferred to the Australian Navy.
One of those Australian Navy light cruisers was part of the ABDA fleet that intercepted the Japanese fleet during the Southern Strategy.


How To Obtain

Stock equipment of Perth KaiPerth Kai, PerthPerth

Event reward for:

Ranking reward for:

  • Oct 2019: 1-5 (★+8), 6-20 (★+4), 21-100 (★+2), 101-500 (★+1)

Updates History

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Yuubari Kai NiYuubari Kai Ni
Yuubari Kai Ni Toku
Yuubari Kai Ni D
+2 +2 +1
YuubariYuubari +1 +1 +1

See Also

BL 6-inch Mk XXIII naval gun