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Full name United States Submachine Gun, Cal. .45, M3[1]
Country of Origin United States[1]
Manufacturer General Motors, Ithaca Gun Company[1]
Artist November
Voice actor Yamane Nozomi[2]

M3 is an obtainable Tactical Doll in the game.

Weapon Background

The M3 was an automatic, air-cooled blowback-operated weapon that fired from an open bolt. The M3 was chambered for the same .45 round fired by the Thompson submachine gun, but was cheaper to produce, and lighter, although contrary to popular belief it was far less accurate. Constructed of plain .060-in. thick sheet steel, the M3 receiver was stamped in two halves that were then welded together. The M3 was striker-fired, with a fixed firing pin contained inside the bolt. The bolt was drilled longitudinally to support two parallel guide rods, upon which were mounted twin return (recoil) springs. This configuration allowed for larger machining tolerances while providing operating clearance in the event of dust, sand, or mud ingress. The M3 featured a spring-loaded extractor which was housed inside the bolt head, while the ejector was located in the trigger group. Like the British Sten, time and expense was saved by cold-swaging the M3's barrel.[1]

Character Info




Game Data

Chibi image
93(x1)185(x1) / 925(x5)
25(x1) / 85(x5) 20(x1) / 60(x5)
11 30
9 67
2 13
Rate of Fire
 Rate of Fire
46 68
Movement Speed
 Move Speed
Critical Hit Rate
 Crit. Rate
Critical Hit Damage
 Crit. Damage
Armor Penetration
 Armor Pen.
Icon slot Accessory.png Icon Telescopic Sight S 2star.png Icon Holographic Sight S 2star.png
Icon Red Dot Sight S 2star.png Icon Night Combat Equipment S 2star.png
Icon Silencer S 2star.png
Icon slot Magazine.png Icon Armor-Piercing Ammo S 2star.png Icon Status Ammo S 2star.png
Icon Shotgun Ammo S 2star.png
Icon High-Velocity Ammo S 2star.png
Icon slot Doll.png Icon Microchip S 2star.png Icon Exoskeleton S 2star.png
Icon Ballistic Plate S 2star.png Icon Camo Cape S 2star.png
Icon Ammo Box S 2star.png
Affects assault rifles
Increases accuracy by 40%
Increases evasion by 30%


Dialogue Chinese Japanese English
Acquisition 您,您好,长官,我是....M3冲锋枪...... こ、こんにちは! M3といいます。よ、よろしくお願いします!Play He-hello, commander, I'm... M3 submachine gun... P-please take care of me!
Introduction 战争期间,为了降低生产成本,本国军方参考了司登小姐的外形,经过反复试验而出产的冲锋枪,就是我,M3。不仅外形要被大家笑话,原本还做成一次性的武器,真是太过分了……明明我也立了不小的战功呢……
Secretary 注……注油枪!?不会是在说我吧?? グ、グ、グリースガン? 私のことじゃないよね?Play G-grease gun? You aren't talking about me, are you?
射击速度不行吗?没办法,这就是性价比嘛…… 発射速度が微妙ですって? コストの問題で仕方ないですよ!Play My rate of fire isn't high enough? I can't do anything about it, it's cost-efficiency, after all...
指挥官,薪水还没发吗?这个月又快没钱了呀…… 指揮官、お給料…まだですか。今月の生活が厳しいかも。Play Commander, is it pay-day yet? I'm almost out of money for the month.......
Secretary (post OATH)
Sorry, did I disturb you? I'll be over here... Just kidding, since we have a contract, I won't leave you no matter what.
え? 指揮官、どういうこと? またからかってるんですか。へ?!これは…なに? こ、こんな私でいいんでしょか。本当に…? よかった…
Commander, can I help you with something? Are you trying to trick me? Eh? What's this? For me? ...Giving this to someone like me? Really... I'm so happy...
Greeting 指揮官、待ってましたよ!お帰りなさい。Play
T-Doll Produced 新しい仲間が来たみたい、強い子だといいですね。Play
Joining an echelon わ、私でいいんですね?Play
Enhancement これでお給料、開けてもらいますね。Play
Dummy-linking もっと増やすって、笑われないかしら?Play
Logistics (start) M3出発します。いない間に、悪い口言わないでくださいね。Play
Logistics (end) M3戻りました。誰も私の悪い口言っていなかったでしょうね?Play
Autobattle 偶には、いいところを見せたいです!Play

Dialogue Chinese Japanese English
Starting a combat mission が、頑張ります!Play
Starting a battle て、敵を発見しました!Play
Skill activation M3がう、撃ちます!Play
Heavily damaged やられました......Play
Retreat ご、ごめんなさい......Play
MVP 勝ててよかった、です!Play
Restoration うっ…が、外見の問題じゃありませんわPlay

Dialogue Chinese Japanese English
Halloween 南、南瓜头的怪物真的会出来吗?!指挥官,不要吓唬人家啊! あ、カボチャ頭のお化けは出ませんよね…、ひぃ!指揮官、嚇かさないでください…Play J-Jack O' Lanterns will really come out?! Commander, don't scare me like that!
Christmas Play
New Year's Day あ… 明けましておめでとうございます。いいんですか?お年玉なんかもらちゃって…


Valentine's day 指揮官は気持ちから、板チョコでも嬉しいですよね。



  • She wanted to be helpful in her squad although she doubted her role after being called a grease gun because of her similarities of actual grease injector gun.[3][1]
  • In GF 4coma[4], She had a trauma of Goliath Tracked Bomb controlled by P38 when ambushing Sangvis Ferri bunker and destroy it, as in reality Goliath Tracked Bomb well-known successfully wreak havoc for allied forces[5] while M3 itself also used in combat in limited number by US Army Rangers, 82nd, and 101st Airborne Troops during Normandy Invasion Kick-Off.
    • And because its compact size, M3 Submachine Gun can be tucked in parachute harness where the airborne troops able to engage target upon landing to designated zone.[6]
  • The OSS version of M3 include silencer and booby traps which called as 'Bushmaster Device'. The device consists of triggering hook, and pull-type trigger. As the firing safety is off and the tripwire was pulled, the striker pushes the spring, launching the hook and depressed the M3 trigger until the magazine is empty. The Silenced M3 was intended to be used by US OSS(Now CIA) and British SOE(Special Operation Executive).[7]
    • It should be mentioned the special barrel for M3 has been applied in order to attach suppressor. However, the performance of suppressor itself considered very poor over the British competitor, STEN.
  • After the discovery of Krummlauf Curved Barrel for StG 44, US army began an experiment of curve-barreled M3 in 1945. Initially, the curve-barreled version of M3 was intended for tank crew to be fired back from tank cupola or driver's hatch at assailants. Aside of armored crew version, the infantry version was tested to be able to fired from foxhole, windows, and the wall corner without exposing themselves. Both of them doesn't adopted due the accuracy issue as same as Krummlauf does.[6]
  • M3A1 is an improved version of M3. M3A1 was lighter than its predecessor due the simplified cocking mechanism, very reliable and easier to maintain.


  1. 1.0 1.1 1.2 1.3 1.4 Wikipedia entry on M3 submachine gun
  2. Moegirl entry on M3
  3. GF 4coma, Definitely not a Grease Gun
  4. GF 4coma, A haunting psychological scar
  5. Goliath operational in Normandy
  6. 6.0 6.1 The M3 "Grease Gun", by Leroy Thompson. Electronic Edition published by Bloomsbury Publishing
  7. The Forgotten Weapons Video of M3 OSS Version

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