Taiwanese 205th Arsenal Unveils New Submachine Gun, The XT104

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The Taiwanese small arms industry has been showing off its most recent developments at press events and expos recently, including the new XT104 9mm submachine gun. From Two Birds Flying:

The state-owned 205th Arsenal of the Material Production Centre (MPC) unveiled its latest development in small arms the 9mm XT104 submachine gun. The XT104 features a folding stock, ambidextrous safety selector and ambidextrous magazine release. The design includes a full length Picatinny rail at the 12 o’clock position and rail segments at the 3 o’clock, 6 o’clock and 9 o’clock position for mounting an array of accessories. The XT104 9mm SMG is expect to be ready for production in 2016.

The XT104 was actually unveiled earlier this year, by March, according to the date of this article from pixnet.net. Not much is known about the XT104 in the Anglosphere yet, though it clearly shares some design elements and architecture with the XT105 5.56mm rifle. Defense News had just this to say:

The 205 exhibited its new 9mm XT104 submachine gun. The 2.83 kg weapon has a 30 round magazine with a fire rate of 500-800 rounds per minute. The weapon is a counterforce design to improve control problems during high speed shot mode, thus achieving high stability and low recoil.

More pictures of the XT104 are embedded below:

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Image source: twobirdsflyingpub.wordpress.com

 

 

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Image source: nownews.com

 

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Image source: nownews.com

 

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Image source: nownews.com

 

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Image source: copaw.idv.tw

 

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Image source: copaw.idv.tw

 

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Image source: m1a2444.pixnet.net

 

 

 

 

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Image source: m1a2444.pixnet.net

 

 

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Image source: new0.net

 

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Image source: DefenseNews.com



Nathaniel F

Nathaniel is a history enthusiast and firearms hobbyist whose primary interest lies in military small arms technological developments beginning with the smokeless powder era. In addition to contributing to The Firearm Blog, he runs 196,800 Revolutions Per Minute, a blog devoted to modern small arms design and theory. He can be reached via email at nathaniel.f@staff.thefirearmblog.com.


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  • rob in katy

    Grandpa would always say, “Marry a girl with small hands…” I never knew why until now, it makes your gun look bigger.

    • El Duderino

      Yeah…she looks like she’s 4’10” or else that SMG is chambered for .50AE.

      • Anomanom

        She’s Chinese, she’s 4’10” in heels. But she’s also a soldier, so she will probably hurt you if you mention it.

        • Southpaw89

          Not sure she’d like being called Chinese, last I heard China was the only nation that still though Taiwan was part of China.

          • ostiariusalpha

            If by “Chinese” one means of the Han ethnicity, than most Taiwanese wouldn’t have any problem with identifying themselves as such.

          • DIR911911 .

            i’m picturing the speech bubble above her saying . . “you like me shoot you now?”

          • Anonymoose

            I made this after the XT105 article.

          • sauerquint

            Taiwan considers itself the true China. The name of the country is the “Republic of China” as opposed to the “Peoples Republic of China” on the mainland.

          • Southpaw89

            Oh, right. TFB; firearms, not politics, world geography is acceptable though.

          • technically they are the Republic of China, so yes they are chinese. They just consider the mainlanders to be an usurper government and themselves to be the rightful govt of all of china.

          • Hyok Kim

            Actually, they are both usurpers. The mainlanders who arrived after 1949 were not considered a legit Taiwanese by both the native Taiwanese and the mainlanders who had arrived long before 1949, irrespective of their time of arrival.

          • Friend of Tibet

            I have many Taiwan friends, they are fine been called Chinese. I mean come on Taiwan called themselves officially “Republic of China”….

          • Core

            From a national perspective we prefer to be called Taiwanese. But culturally its a fusion of Chinese and native Taiwanese depending on which tribe or family you hail from.

          • Friend of Tibet

            “Taiwanese” this word itself is a propaganda term by Taiwan government in order to show international superiority against mainland. the concept of “Taiwanese” is relatively strong among pro-military young males in Taiwan,showing relatively strong politic education effect from ROC government. Of course, same can be said to PRC as most of people in PRC believe Taiwan belongs to mainland. Which is correct in cultural way.

          • Core

            Enculturation of nationalism evolves over time. What was once known to be true evolves into something different. We identify ourselves as Taiwanese, not as a propaganda term but out of a sense of national pride. What you say is insulting and pisses me off, but that’s okay because I’m used to hearing the same nonsense day in and day out. The comments here claiming that Taiwan is just China is also nonsense and propaganda. Taiwan is independent and democratic, at least for the time being. Taiwanese people take pride in this, and are insulted when others claim that they are part of China or Chinese in the modern sense. The historical sense of Han Chinese, and pre-revolution is in the past, we are living in the now for a better future. If you are a communist you can claim otherwise, but we are happy here with you over across the pond.

          • Hyok Kim

            Actually it’s a little more nuanced than that. First of all, the native Taiwanese are not a single race. Second of all, the Chinese immigrants to Taiwan had come from different times in the history of China, and formed a distinct group based on their time of arrival.

          • Core

            I’m not referring to ethnicity.

          • Hyok Kim

            I understand that. I’m referring to Chinese who had arrived in Taiwan, especially before 1949. They formed their group not just based on race, but also the time of arrival. Another word, culturally Chinese in Taiwan are not a single group.

          • Core

            My father on law fought under Chiang Kai shek. He’s still alive. 🙂

          • Hyok Kim

            ….and what does that have to do with what I had said about the Chinese forming a distinct cultural group based on their respective time of arrival?

          • Core

            What do I care? You injected yourself into the comments, piss off.

          • Hyok Kim

            “What do I care? You injected yourself into the comments.”

            …….and so did you before me.

            “Secondly I didn’t ask for a history lesson, …….”

            ….and what about your unsolicited history lesson to others?

            “I know more about Taiwan than I care to”

            Good, so why so shy about sharing your insight? I have dealt with many Taiwanese people and they were not shy about the history of Taiwan.

            “So piss off with your know it all attitude, didn’t ask for your enlightenment. Race? There’s one race it’s the Human race.”

            ………..on the contrary I wish to know more about Taiwan. Can you share?

          • Core

            I was clarifying something for Friend of Tibet and you hijacked the subject and started rambling about culture in Taiwan. And then you replied to my post with a condescending tone. And then you posted a second rude remark when I mentioned my stepfather. You need to mind your own damn business if you don’t have anything relevant to add to the post. In case you haven’t noticed I don’t take kindly to rude arrogant behavior. If you want a history lesson go check out your local university, or take a trip to the National Palace Museum in Taipei. All I can say is beware of library publications there’s allot of bad information on Taiwan. Taiwan also has a great website if you can figure out how to navigate it.

          • Hyok Kim

            “I was clarifying something for Friend of Tibet and you hijacked the subject ……”

            ………and so was I.

            “….and started rambling about culture in Taiwan.”

            I only stated that the Chinese in Taiwan are not a single cultural group. Are you saying they are? That’s not what Taiwanese people I had dealt with told me.

            ” And then you replied to my post with a condescending tone. ”

            Please quote me, how was I condescending?

            “And then you posted a second rude remark when I mentioned my stepfather.”

            Please quote that rude remark you claim I had said.

            ” You need to mind your own damn business if you don’t have anything relevant to add to the post.”

            …….but I do have something to add…….that Chinese in Taiwan are not a single cultural group.

            “In case you haven’t noticed I don’t take kindly to rude arrogant behavior”

            Again, please quote me where was I being rude and arrogant?

            “If you want a history lesson go check out your local university, or take a trip to the National Palace Museum in Taipei. All I can say is beware of library publications there’s allot of bad information on Taiwan. Taiwan also has a great website if you can figure out how to navigate it.”

            Oh, I already had done that. I am more interested in what a native Taiwanese would have to say regarding Taiwanese culture without the perspective of academia.

          • Core

            You managed to make several Taiwanese natives laugh at your boisterous one upsmanship. Your first reply to my post was rude, and your second and third were also rude. For a South Korean we are wondering why you are emboldened to resist the simplicity of truth. Taiwanese do not like to be called Chinese, it’s insulting. It was an issue of nationality not culture. This is how we feel about our nationality. I’m an American and I would be insulted if someone said I was English, even though my ancestors came from Scotland 400 years ago. If you think your posts weren’t rude, reread and if you still think you were being tactful, our conversation is over.

          • Hyok Kim

            “You managed to make several Taiwanese natives laugh at your boisterous one upsmanship.”

            Strange, I know many Taiwanese, and have asked the same question (based on the previous responses by other Taiwanese), and have yet to meet even one who would laugh at my question.

            “Your first reply to my post was rude, and your second and third were also rude.”

            …….all I am asking you is to quote my so-called ‘rude’ remarks.

            “For a South Korean we are wondering why you are emboldened to resist the simplicity of truth.”

            …..and who are this ‘we’?

            “Taiwanese do not like to be called Chinese, it’s insulting.”

            ………and had I said they did? Who are you arguing with?

            “t was an issue of nationality not culture. This is how we feel about our nationality.”

            …..again, had I said that was not the case? Who are you arguing with?

            “I’m an American and I would be insulted if someone said I was English, even though my ancestors came from Scotland 400 years ago.” – Core

            “”For a South Korean we are wondering why you are emboldened to resist the simplicity of truth.” – Core

            …..and I am an American as well. Does this mean your remark was rude (by your own standard)?

            “If you think your posts weren’t rude, reread and if you still think you were being tactful, our conversation is over.”

            Please quote what I had said that you claim were rude. Had I ever said Taiwanese were Chinese?

          • ThomasD

            I’s a little more complex than that. When the US officially recognized The PRC back under Nixon we also unrecognized Taiwan as an independent nation. The ROC also lost their seat at the UN, and only about 20 countries worldwide still recognize them as an independent nation.

            The Taiwanese, like most people of Han descent, also tend to place ethnic identity above national identity, so will describe themselves as Chinese.

            But I also doubt the ROC will be joining the mainland any time soon.

          • Hyok Kim

            “The Taiwanese, like most people of Han descent, also tend to place ethnic identity above national identity, so will describe themselves as Chinese.”

            Today’s ‘Taiwanese’ are a mixture of both Han and the native Taiwanese people, and both the Han in Taiwan and the natives are not a single cohesive block.

      • Cal S.

        I’m guessing wide-angle camera, too.

  • anon

    well atleast they mixed the Skorpion, MPX, and UMP together for this one

  • El Duderino

    If it’s a copy and everyone likes it, it’s “derivative.”

    If it’s a copy and no one likes it, it’s a “ripoff.”

  • hami

    Another great looking weapon from Taiwan. Keep em coming.

  • Joshua

    Will never see the point in a handgun caliber SMG that comes in the same size package as a rifle caliber SBR.

    • Southpaw89

      Reduced muzzle blast, possible less felt recoil making it more controllable, and most likely simpler. The advantages may be small, and in most cases outweighed by the disadvantages, but I think that they will continue to fill a small niche in the firearms world, doing one or two jobs well enough to justify their continued use.

      • Tom

        Plus they are easy to suppress.

    • iksnilol

      Easier to silence, more places to train with them, less muzzle blast (in case you don’t silence them) and have the potential to be shorter than rifle caliber SBRs. I mean, you can get MP5s with 11 cm barrels, I’ve yet to see an AR with that short barrel that wasn’t pistol caliber.

      • M2 Corp’s M16X fit that bill.

        • iksnilol

          No, no it doesn’t. You are sending 5.56 at almost half its original velocity. It is like 5.7 just with heavier ammo and way more concussion and blast. Compare a 9mm with such a short barrel to it.

          Besides, how long do you think the suppressor will last?

          • I didn’t say it was practical. You simply mentioned not having seen a M16-pattern firearm with a ~11cm barrel chambered in 5.56mm.

          • iksnilol

            Point taken. Seriously though, who thought that was a good idea? I mean, 5.56 out of a legit pistol length barrel?

  • Darkpr0

    “The weapon is a counterforce design to improve control problems during high speed shot mode, thus achieving high stability and low recoil”

    Now there’s an interesting quote. I wonder if the Taiwanese are picking up notes of the AEK-971’s recoil counterbalance mechanism? It would be a very interesting feature on an SMG.

    • The Klin-2 SMG prototype supposedly used the balanced recoil concept.

    • DW

      Not the same counterweight system as the AEK, but rather like a Browning short recoil mg without bolt locking to barrel.

    • >’w'<

      I asked designer directly at TADTE 2015,
      There are a “supporting spring” in front of XT104 barrel,first purpose is making a soft feeding impact, and the main function is let barrel go forward a distance with bolt. In fullauto mode hammer will firing when barrel moving forward,now bolt still have a forward kinetic energy, that is how XT104 to balance recoil.

      I don’t know the term of this design,but I think it maybe not invent by we Taiwanese?

      And there are an interesting design to reduce fire rate,there are some “wave cuts”on top of bolt,which operating with a spring powered reducer plate,like image below (not in actually scale & shape).

      • Darkpr0

        Interesting. Using the barrel as a counter-reciprocating mass is pretty clever, it avoids the problem that the AEK-derived system has in that it needs a substantial moving weight on the other end of the weapon which moves the centre of gravity out as well. I don’t know what that would do to accuracy, but if you’re using full auto on an SMG I can’t imagine it’s that big of a concern. Taiwan may have invented it, I haven’t heard of it before. But that doesn’t mean it hasn’t been looked at before by the many aspiring inventors of the world.

        The rate of fire reducer is interesting. Fundamentally it’s a delay-inducing friction mechanism. Initially I thought it was overcomplicated, but in fact it’s a really clever application of something that everyone has seen and taken for granted. The real reason this is cool is that the friction resistance can be easily changed by modifying the spring. If you tighten down the spring, friction goes up, rate of fire goes down. User-adjustable rate of fire. Nifty. This is actually the same thing that causes rate of fire to change when you have a really high-capacity magazine… The big difference in follower pressure (due to a spring, of course) causes each round to drag on the bolt a little less as the mag is expended, so the rate of fire goes up and the brass tends to get ejected in a different direction. If you watch a full 60 or 100 round mag dump you can watch the brass go from usually 2 o’clock to 5 o’clock during the duration of the mag. Props to Taiwan (probably) for grabbing an overlooked side-effect by the haunches and building a useful feature out of the idea.

        I’m intrigued to see where the world goes with the idea of recoil counterbalance. The weight counterbalance was a typically Russian execution of a good innovation. But there are a lot of clever ways to get similar effects with weight savings and maintaining simplicity. Designers can pull some really elegant stuff out of their pockets to make this sort of thing work in new stuff.

      • noob

        hmm I wonder if it makes a “vrrit vriit” noise when you operate the charging handle

    • noob

      yes! fieldstrip please. also disassemble photos of the submachine gun.

  • TheNotoriousIUD

    Looks cool anyway.

  • Zach

    Sweet AR tie clip bro

  • Matrix3692

    I heard that the XT-104 have a sort of like hybrid short-recoil mechanism. And it’s complexity has definitely became an issue.

  • Caffeinated

    The first XT104 pictured uses what looks to be an XT105 lower with something similar to the magwell block in a Colt SMG 9mm. The version of the XT104 with the clear sig-like magazines appears to have a polymer lower purpose-made to fit a different magazine design.

    I wonder if the blocked magwell version isn’t a prototype with the sleeker version being closer to the production model.

  • ghost

    Yawn.

  • ghost

    Chinese women will make you forget your firearm/your name/your serial number…………….

  • Plumbiphilious

    Man, those iron sights sit like three or four inches away from the bore.

  • john huscio

    Everyone and their mom has a subgun out now…

    • hikerguy

      Funny…I thought that subbies were a dying breed, or at least what I read on the internet said so…

  • Jing

    Well, since nobody mention it, I guess you guys are not interested. But do you know they are using a hybrid barrel short recoil and direct blowback mechanism?

    • Hyok Kim

      I think it’s a good system, especially weapons not designed for a precision single shot.

  • DW

    For those that think it’s a ripoff: it is not.
    Specifically the mechanism is unlike anything in this layout: the barrel can and does recoil a short length just after firing, but the bolt is never “locked” with the barrel. The purpose is so that in fun mode, the 2nd and rounds after are ignited when the bolt chambers them whilest the barrel is traveling forward driven By compressed barrel return spring. This theoretically make fun mode have less recoil.
    Ok some might ask: keltec pmr30 have more or less the same bolt-barrel relationship, but are described vastly differently, sooo….

  • Friend of Tibet

    Well, seems on TFB the logic is:
    “Those Chinese rips off SCAR and STEAL OUR SECRETS again…..oh wait, this is from Taiwan? Oh…ok….well, it looks pretty innovative then….”

  • santi

    It seems cumbersome. Companies like Sig, B&T have already made strides in creating more compact designs that shoot just if not more proficiently than that 2x the size of any other SMG. Not that I would complain to have such a firearms as this.

  • Jim

    Looks very much like a CZ Scorpion EVO 3 A1. In fact it looks exactly like it and it is even a 9mm. Asians are very good a making cheaper copies of existing weapons.

  • Chris Mooney

    Tell me more about the hotdog Launcher in the background….. ?

  • Joshua

    that looks bloody heavy for an SMG

  • Lance

    I’d stick to a MP-5 still.

  • Glock Guy

    Can the people of Taiwan have a semi-auto version of this rifle?

  • noob

    do they have the sisters of battle?

    • Redslav

      haha tiny asian sisters of battle, that ‘ll be a sight!

  • iksnilol

    Uh, that doesn’t count. That doesn’t have a barrel, it only has a chamber.