Type 100 / 44 (Late Pattern) Japanese SMG

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Published 2024-04-17
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The Japanese never really embraced submachine guns during and before World War Two. A series of development programs in the 1920s and 30s led nowhere, and there never really seems to have been much motivation behind them. Some small batches of guns were purchased from abroad for units like the Special Naval Landing Force, comprising things like SIG Model 1920 Bergmann guns and Steyr MP34s. Finally in the late 30s, apparently spurred by Japanese experience in the taking of Shanghai, Kijiro Nambu replaced his complex early designs with a simple blowback open-bolt gun chambered for the standard 8mm Nambu pistol cartridge. This was tested and accepted in 1940 as the Type 100.

The early 1940 model of the Type 100 had a distinctive underdog on the barrel shroud for attaching a bayonet, and some examples had bipods or simplistic folding stocks. It wasn’t until 1944 that the design was simplified and production increased - although still not to a level that would be considered significant in any other army. Only about 8,000 of the 1944 pattern guns were made. They had a higher rate of fire (about 800 rpm, compared to 450 rpm on the 1940 pattern), and used a different 30-round curved magazine as well.

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All Comments (21)
  • @Silverghost992
    I like how in every WW2 game there are 100s of these everywhere in the pacific missions.
  • @possumpatrol45
    What? A gun designed by Nambu that can fire accidentally? Impossible!
  • @lamnaa
    It still astonishes me how the Japanese were the only nation not to go all-in on Submachine guns in WW2, how Australia and Finland outproduced them.
  • @hhiroing7589
    Hello, I am a Japanese gun enthusiast. Thank you for introducing our country's Type 100 submachine gun.
  • @darthmartinez
    The Japanese tactic of attacking at close range at night would have made more sense if they equipped leading troops with SMG's.
  • @Ryfoster501
    As the grandchild of a Japanese woman born during WWII and a 20 year US Marine, I also feel the primal need to fix a bayonet onto absolutely everything.
  • @_ArsNova
    I will say, one overarching theme between Japanese firearms of the era, mostly ones designed by Kojiro Nambu, is that they have the best takedown methods. Something which is rarely appreciated, especially by the all the gamers who comment on these videos. The ease and convenience of being able to take it apart quickly, especially for regular soldiers, is a massive time-saving advantage. More time to entrench or do other essential tasks. Particularly in the era of corrosive ammunition. Taking apart a Kar98k bolt and a Type 99 bolt is like night and day.
  • @xboxhomie4
    The Japanese soldiers in World at War had more of these than Arisakas, probably why I nearly ripped my hair out on Veteran.
  • @onenote6619
    Is it possible that logistics also had some bearing on the Japanese lack of enthusiasm for submachine guns? At the beginning of the war, Japan was operating with very long lines of supply and a limited industrial base. The idea of a relatively inaccurate gun that chews through bullets very quickly (the common view of the type) would not have sat well with people responsible for getting all those bullets to the front line. In the later war, the supply lines are shorter and maximising firepower for every remaining soldier might have made it more appealing.
  • Even the Japanese realized that using double-stack, single-feed mags was a bad idea.
  • @jacobayers2391
    I’ve been waiting for this episode since I first started watching the channel
  • @kamata93
    Lets not forget that from the second Arisaka type, it really is Nambu design. He changed so much that it is no longer an Arisaka. The bolt was an even stronger Mauser type than the K98K.
  • @TokioExpress
    Bro I’ve been waiting on this vid since like 2016 back when he covered all the Japanese semi automatic rifles.
  • @boomslangCA
    Just to clarify, I would say that the Japanese SNLF were not what we would consider 'elite' troops in that they did not undergo a rigorous selection process nor did they receive special training. The were regular IJN sailors who had undergone basic infantry training, like every other sailor, but were peeled off to form infantry units after being given whatever Japanese Army weapons and uniforms were available. What was amazing was their accomplishments given their rather lowly beginnings.
  • TO&E of a Japanese 10 man infantry squad in Call of Duty: World at War: 8 x Type 100 SMG's 1 x Type 99 rifle 1 x Type 97 LMG 1000 hand grenades
  • The fact that a Type 100 made it's way to the US proves that there's some kind of cosmic force out there.
  • @Rolandbadger
    Ah yes..The type 100. one of my favorite obscure weapons of WW2. Thanks Ian. Really appreciate the close look.
  • @dmactye3
    While the world was studying the art of submachine guns, Japan was studying the blade