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25mm Twin Autocannon Mount

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No.39 25mm連装機銃
GreenGunMG.png Anti-Aircraft Gun
Effects: AA+5 Evasion+1
Scrap value: Ammo 2 Steel 1 (Buildable)

Equipment Card 25mm Twin Autocannon Mount.png

Equipment Character 25mm Twin Autocannon Mount.png

Equipment Item 25mm Twin Autocannon Mount.png

Equipment Full 25mm Twin Autocannon 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



This is a standard anti-aircraft machine gun armament.
Domestically produced based on a French 25mm cannon, it is a twin-mounted high-angle 25mm machine gun.
The twin type was the standard anti-aircraft equipment, but it was updated to the more powerful triple-barrel type where space and circumstances allowed.


Anti-Aircraft Gun AA Guns are equipable in RE. They are mainly used to provide "Anti-Air", notably via their AA Anti-Air stat. They:

  • Are notably required in most AACI.
  • Trigger a tracer-fire effect during air combat.
  • Bring an accuracy bonus against PT Imp.

"AA Rocket Launchers" may be described and displayed differently, they still behave like regular AA guns.


How To Obtain


Stock equipment of: Akashi KaiAkashi Kai, AkashiAkashi, AkigumoAkigumo, AkishimoAkishimo, Akitsu MaruAkitsu Maru, AkitsushimaAkitsushima, AkizukiAkizuki, Amagiri KaiAmagiri Kai, Aoba KaiAoba Kai, Ariake KaiAriake Kai, Chitose Kou Kai NiChitose Kou Kai Ni, Chiyoda Kou Kai NiChiyoda Kou Kai Ni, Chougei KaiChougei Kai, DaitouDaitou, Etorofu KaiEtorofu Kai, EtorofuEtorofu, Fujinami KaiFujinami Kai, FujinamiFujinami, FukaeFukae, HachijouHachijou, HagikazeHagikaze, Hamanami KaiHamanami Kai, HamanamiHamanami, Harukaze KaiHarukaze Kai, Hatsuharu KaiHatsuharu Kai, HatsukazeHatsukaze, Hatsushimo KaiHatsushimo Kai, HayanamiHayanami, HayashimoHayashimo, HiburiHiburi, HiratoHirato, IshigakiIshigaki, Jingei KaiJingei Kai, Kako Kai NiKako Kai Ni, KatoriKatori, Katsuragi KaiKatsuragi Kai, KatsuragiKatsuragi, KazagumoKazagumo, Kinu KaiKinu Kai, Kinugasa KaiKinugasa Kai, KishinamiKishinami, KiyoshimoKiyoshimo, KunashiriKunashiri, MaikazeMaikaze, MakigumoMakigumo, Makinami KaiMakinami Kai, MakinamiMakinami, Matsuwa KaiMatsuwa Kai, MatsuwaMatsuwa, MikuraMikura, Mizuho KaiMizuho Kai, Naganami Kai NiNaganami Kai Ni, NaganamiNaganami, Nenohi KaiNenohi Kai, OkinamiOkinami, Ryuujou Kai NiRyuujou Kai Ni, Sado KaiSado Kai, SadoSado, Shimushu KaiShimushu Kai, ShimushuShimushu, Suzunami KaiSuzunami Kai, SuzunamiSuzunami, TakanamiTakanami, Tanikaze D KaiTanikaze D Kai (★+4), TeruzukiTeruzuki, TsushimaTsushima, Uranami KaiUranami Kai, Ushio Kai NiUshio Kai Ni, Uzuki KaiUzuki Kai, Wakaba KaiWakaba Kai, YashiroYashiro, YuugumoYuugumo, Hayashio KaiHayashio Kai (★+4), Yuugure KaiYuugure Kai (x2)

Upgradeable from: 25mm Single Autocannon Mount25mm Single Autocannon Mount (★+5)

From limited-time quests: 2102 LQ1 (x2, choice)

Ranking reward for:

  • May 2013: 海上護衛総隊
  • Jun 2013: 海上護衛総隊


Used to improve: 25mm Twin Autocannon Mount25mm Twin Autocannon Mount, Bi Type 40mm Twin Autocannon MountBi Type 40mm Twin Autocannon Mount, 381mm/50 Triple Gun Mount381mm/50 Triple Gun Mount

Used by quest: F42

Updates History

  • 2013-04-23: Implemented with initial game release
  • 2014-09-12: Stats increased: Anti-Air+4 Evasion+0 → Anti-Air+5 Evasion+1
  • 2014-11-14: Became improvable and upgradeable to 25mm Triple Autocannon Mount25mm Triple Autocannon Mount
  • 2016-12-22: Became possible to equip in expansion slots

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Yahagi Kai Ni BYahagi Kai Ni B +3 +2
Noshiro Kai NiNoshiro Kai Ni
Yahagi Kai NiYahagi Kai Ni
+2 +1
+1 +2 +2
+ AIR Radar +2 +2


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
Anti-Aircraft Gun 25mm Twin Autocannon Mount 0 0 20 10 10 0/1 1/1 - F
X X  
Isuzu Kai Ni
Upgrades to 25mm Triple Autocannon Mount ★+3
6 1/2 1/2 1xGreenGunMG.png
10 2/3 1/2 1xGreenGunMG.png
Improvement Improved effects
Anti-Aircraft Gun 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Torpedo Attack 1.2 1.69 2.07 2.40 2.68 2.93 3.17 3.39 3.60 3.79
Anti-Air Ship 4.00 5.66 6.93 8.00 8.94 9.80 10.58 11.31 12.00 12.65
Accuracy Torpedo 2.00 2.82 3.46 4.00 4.47 4.89 5.29 5.65 6.00 6.32

See Also

Type 96 25 mm AT/AA Gun