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Prototype Long-barrel 12.7cm Twin Gun Mount Model A Kai 4

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No.455 試製 長12.7cm連装砲A型改四
RedGunLight.png Small Caliber Main Gun
Effects: Firepower+4 AA+3 Armor+1 Accuracy+2 RangeShort
Scrap value: Ammo 2 Steel 3 Bauxite 2 (Unbuildable)

Equipment Card Prototype Long-barrel 12.7cm Twin Gun Mount Model A Kai 4.png

Equipment Character Prototype Long-barrel 12.7cm Twin Gun Mount Model A Kai 4.png

Equipment Item Prototype Long-barrel 12.7cm Twin Gun Mount Model A Kai 4.png

Equipment Full Prototype Long-barrel 12.7cm Twin Gun Mount Model A Kai 4.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

Introduction

大戦時は旧式化したものの、特I型駆逐艦に採用された近代的駆逐艦用主砲の先駆けであるA型砲。
本兵装をテストベッドに砲身を延長更新、初速を高めたif拡張改装の試製兵装です。
対水上戦闘に主軸を置いた各種改良により、駆逐艦主砲としては最大級の火力を誇ります。
基本設計の限界はありますが対空戦闘も可能、次世代の12.7cm砲へ繋ぐ試製砲です。

Though obsolete at the outset of World War 2, the Type-A gun mounted on the Special Type I destroyers was the forerunner of modern destroyer guns.
Using the Type-A as a base, this is a what-if upgrade that extends the barrel length and increases muzzle velocity.
It is among the destroyer main guns with the highest firepower thanks to several upgrades that focus on increasing surface combat ability.
Though the basic design has limitations, it is capable of limited anti-air combat. This is the predecessor to the next generation of 12.7cm guns.

Mechanics

Main GunsSmall Caliber Main GunSmall Caliber Main GunLarge Caliber Main Gun are the main armement 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).

Notes

How To Obtain

Upgradeable from: 12.7cm Twin Gun Mount Model A Kai 212.7cm Twin Gun Mount Model A Kai 2

From quest: B179

Updates History

  • 2022-04-01: Implemented

Fit Bonuses

Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Evasion Note
Fubuki-classFubuki
Shirayuki
Hatsuyuki
Miyuki
Murakumo
Usugumo
Isonami
Uranami

Ayanami-classAyanami
Shikinami
Amagiri
Sagiri
Oboro
Akebono
Sazanami
Ushio

Akatsuki-classAkatsuki
Hibiki
Ikazuchi
Inazuma
+2 +1
Fubuki-classFubuki
Shirayuki
Hatsuyuki
Miyuki
Murakumo
Usugumo
Isonami
Uranami
+1
Uranami Base/KaiUranami +1
Uranami Kai NiUranami Kai Ni +2 +1 +1 +1
Isonami Kai NiIsonami Kai Ni +1 +1
+ LOS Radar +3 +1 +2 One-time
+ AIR Radar +4 One-time
+ 61cm Triple Torpedo Mount61cm Triple Torpedo Mount OR 61cm Triple (Oxygen) Torpedo Mount61cm Triple (Oxygen) Torpedo Mount OR 61cm Triple (Oxygen) Torpedo Mount Late Model61cm Triple (Oxygen) Torpedo Mount Late Model +1 +3 One-time
+ 2nd 61cm Triple Torpedo Mount61cm Triple Torpedo Mount OR 61cm Triple (Oxygen) Torpedo Mount61cm Triple (Oxygen) Torpedo Mount OR 61cm Triple (Oxygen) Torpedo Mount Late Model61cm Triple (Oxygen) Torpedo Mount Late Model +1 +2 One-time
+ 61cm Triple (Oxygen) Torpedo Mount Late Model61cm Triple (Oxygen) Torpedo Mount Late Model +1 One-time

Improvement

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
Small Caliber Main Gun Prototype Long-barrel 12.7cm Twin Gun Mount Model A Kai 4 0 10 70 100 20 5/6 3/3 3xRedGunLight.png U X X X U U U Uranami Kai NiUranami Kai Ni
6 7/8 3/6 1xRedGunLight.png
10 - - -
Improvement Improved effects
Small Caliber Main 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
Night Battle Power 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16

See Also