Lerker Automatic Pistol

In 1950, two gunsmiths, Cezare Lersker and Carlo Cuppini, developed in the Italian town of Bologna a new 25-charging (in practice, 20-charging shops were mainly used) an automatic pistol for a cartridge of the 6,35 caliber. In fact, the development patented in 1951 was a miniature submachine gun. Weapon gained fame as the Lerker automatic pistol, or the Lurker and Kuppini pistol. The weapon was originally positioned by developers as a civilian self-defense weapon, however, due to a set of its characteristics (small size, ease of use, high rate of fire - about 1200 rpm) the weapon was almost immediately banned by the authorities. According to some data, only about 150 samples of this pistol were produced.


Cartridge mm 6,35x15,5

The creators immediately considered the pistol as a weapon for self-defense, and the pistol was distinguished by its miniature size. On the basis of this, the cartridge for it was also selected. The main goal of the developers was to add relatively inefficient and weak 6,35 x15,5 mm ammunition with the possibility of automatic fire. According to Italian developers, this was to compensate for the flaws that this cartridge possessed. It is worth noting that the cartridge caliber 6,35x15,5 mm was developed in 1906, the famous gunsmith John Moses Browning. He designed the cartridge specifically for the small-sized FN Browning pocket pistol model 1906 of the year. The conventional designation of this cartridge is "6.35x15.5 HR". The letters “HR” in the title indicate the presence of a weakly protruding lip (or a weakly protruding flange) in the liner in combination with a groove (halb-rand (it) or half-rim (eng)). This cartridge was known by various names, for example .25 ACP, 6.35 Browning, 6,35 mm, etc. At the beginning of the XX century, this pistol cartridge was widely used among civilian weapons intended for self-defense.

At the beginning of the last century, a huge number of models of pistols for self-defense of the “pocket” type were developed under this cartridge. Some of these pistols are still being produced. Examples of such pistols are the Beretta 950, 21 or Walther RRB and TPH models, as well as many other pistols. After the production of the Colt 1908 pistol, which was the American copy of the German FN Browning pistol of the 1906 model of the year, began in the USA, the production of the 6.35х15.5 HR cartridge to it, which received the American designation .25 ACP (Automatic Colt Pistol), began there. In addition to the Colt, this cartridge was also produced by the American company Union Metallic Cartridge (UMC, which was a division of Remington), as well as a number of other well-known companies in the USA and Europe.



The cartridge 6.35x15.5HR was distinguished by the presence of a cylindrical sleeve with a small taper to Dultz. The bullet was shell and had a lead core. The shell of the bullet tompak or copper, it was covered with nickel silver. The sleeve was brass. The mass of the entire cartridge was 5,3 grams, the mass of the bullet - 3,25 grams, the mass of the used powder powder 0,09 grams. The initial flight speed of such a bullet was 228 m / s, muzzle energy - J. 92.

This cartridge was used in the Soviet Union. So in 1926, the armament of the commanding officers of the Red Army adopted the pistol designed by S. A. Korovin, which received the designation "TK". It was created under the cartridge caliber 6,35 mm. In this case, the cartridge of this caliber for the Korovin pistol was somewhat different from the cartridge 6,35 Browning. The main differences were in an insignificant increase in the mass of the bullet, the powder charge and the length of the cartridge. The diameter of the flange of the liner in the European cartridge was slightly larger. An 6,35-mm caliber cartridge that was used with a TK pistol received the designation 6,35 TK in the USSR, the release of this cartridge continued until the middle of the 60-s of the last century.

It is worth noting that mainly 6.35x15.5 caliber cartridges were used exclusively in miniature pistols, which were also called "ladies". The fact is that he had a very low punching ability and low stopping power. Often, such a bullet did not penetrate the human cranium. Bullets fired from pocket automatic pistols, had a speed slightly over 200 m / s. In order to stop an enemy well prepared and ready for a fight, this speed was not enough. It was necessary, at least, to hit the attacker in the vital organs. It was very difficult to make it out of an 6,35 mm weapon in an extreme situation, especially at extreme distances — more than 10 meters. Due to the fact that this caliber is recognized by experts as ineffective, at present, analogues of this cartridge are produced with an expansive bullet. Such bullets have the ability to increase their diameter when released into a soft environment.

Lerker Automatic Pistol


Features of the design of the gun Lerker

It is not known why the Italian developers initially decided to create a civilian version of the pistol under such a low-power cartridge, since their plans included the creation of an army version of their pistol under the Gnisenti 9-mm cartridge. At the same time, the advantages of automatic fire with such a low-power cartridge for self-defense weapons that are used at very close distances are obvious. The chance to kill or incapacitate the enemy in a relatively short time interval increased significantly. The second positive quality of the combination of weak ammunition and automatic fire at a short distance was that there was almost no need for accurate aiming from a pistol, since the very low recoil when fired completely allowed the shooter to control the pistol and control it well enough.

At the same time, due to the very high rate of fire, the magazine in 20 cartridges (the 25 charging shops were almost never used, although it does not matter) remained empty when firing bursts literally in a second. The theoretical rate of fire of Lerker's gun was 1200 rds / min, in practice, you would simply not have time to change the stores at such a speed. Together with the equipped magazine on 20 cartridges the pistol weighed 930 grams. Its total length was only 184 mm, and the barrel length - 104 mm.

Automatic pistol was built similar to the automation used in the pistols, machine guns. Shooting was carried out from the "open bolt", which was immediately retracted before the shot. The layout of all the implemented mechanics was much more interesting. So the return spring of Lerker's pistol was located around its barrel, and the bolt had a practical length equal to the length of the weapon itself and moved along the barrel of the pistol, as if along a guide. All together it was assembled in an unusual receiver, which is a tube, with a barrel fixed in it and an adjacent handle, on which the trigger mechanism was located.



In this case, the trigger mechanism of the pistol was under the barrel. The location of the trigger mechanism was due to the placement of the main controls of the gun, as well as a positive effect on the dimensions of the weapon. The pistol magazine is inserted inside the handle, where it is fixed with a spring-loaded latch located at the bottom of the handle. Sights on the pistol were open, unregulated (in fact, they simply did not need because of the use of weapons at short range).

As we noted at the beginning of the article, the gun was not widely used. The Italian authorities were simply afraid that this compact almost submachine gun would be available to the broad masses of the population. At the same time, the army and the police were also not interested in the model, since the 6,35 mm caliber cartridge was rather weak. As a result, it was possible to release no more than 150 such pistols, which are sold around the world. And to develop a weapon for a more effective cartridge, for example, the XleN-mm X-cartridge of Glezenti, the developers for some reason did not.

Photos of Lerker's pistol from the site thebrigade.com









































Information sources:
http://zbroya.com.ua/mag/2014/n1/14.htm
http://didgest.livejournal.com/26091.html
http://weaponland.ru/board/patron_635kh155_hr_635_browning_25_acp_635_tk/47-1-0-218
http://thebrigade.com/2015/10/08/story-of-an-unusual-design-italys-lercker-pistol-24-photos (фото)
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  1. Walking 21 October 2015 08: 42 New
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    An interesting toy.
    1. Good me 21 October 2015 08: 54 New
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      Enough original sample. An interesting scheme, light weight and dimensions.

      It may confuse some "sophistication" in disassembly-assembly, but this is not an army model, to which a number of sometimes conflicting requirements are presented.

      At first glance, what the Italian designers wanted to achieve by creating these weapons, they succeeded.

      With a relative balance of pros and cons.
  2. Tuzik 21 October 2015 08: 52 New
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    under 7,62x25 this would be done with a wild rate of fire
  3. Grigorievich 21 October 2015 09: 27 New
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    The Italian authorities were not only afraid, but also banned the release of this pistol.
    With such a rate of fire and such weight, can you get anywhere in the queue? Most likely only the first bullet at the target, and the rest into the milk.
    1. Vladimirets 21 October 2015 16: 53 New
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      Quote: Grigorievich
      With such a rate of fire and such a weight, where can I get in line?

      Given the extremely low effective range when shooting at point-blank range at a person, for example, it is difficult to miss.
    2. Maki Avellevich 22 October 2015 16: 00 New
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      shutter energy balances recoil energy. this principle is also used in Uzi.

      a good thing, but the principle of open shutter increases weight and is also a little dangerous.

      the gun is “ready” for firing when the bolt is from the rear and the cartridge is still in the magazine, pressing the shutter produces both charging and firing.
      when falling / hitting a weapon, an increased chance of a shot.
  4. SPLV 21 October 2015 09: 28 New
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    All is not bad. But I had a couple of questions.
    Firstly, is it really such an outstanding example, if there is already a second article on the site?
    http://topwar.ru/26084-pistolet-lerkera-i-kuppini.html 4 апреля 2013
    Second, the
    the Colt 1908 pistol, which was an American copy of the German FN Browning pistol of the 1906 model of the year

    To be honest, I never suspected that FN Browning was a German weapon. It is useful to learn something new. Until now, he believed that FN was a Belgian weapon. Apparently, I have knowledge gaps in geography and history. Have to do self-education.
  5. semuil 21 October 2015 10: 59 New
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    It is interesting to recall. For some reason, I paid attention to him back in '91 when I bought the book of AB Zhuk “Pistols and Revolvers”.
  6. _KM_ 21 October 2015 11: 07 New
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    Quote: Tuzik
    http://topwar.ru/26084-pistolet-lerkera-i-kuppini.html


    What for? It will be very difficult to shoot from it - recoil and dispersion.

    By the way, in our country there is an “analogue” of the .25 cartridge - this is 5,45x18. And an automatic multi-shot pistol (OTs-23) was also made for him. And he also did not go far, although he had a certain potential.

    Another possible cartridge is .22 WMR. And under it a curious pistol PMR-30 was created. But it is not automatic:

    http://www.keltecweapons.com/our-guns/pmr-30/pistol/

    In the TsMVS collection there was a small-caliber Simonov automatic pistol.

    So small calibers periodically encourage designers to automatic and multi-shot pistols. But, as far as I know, get only KelTech spread.
    1. 4thParasinok 21 October 2015 15: 55 New
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      Quote: _KM_
      Another possible cartridge is .22 WMR. And under it a curious pistol PMR-30 was created. But it is not automatic:

      there is also an automatic version, issued for the police

      Quote: _KM_
      By the way, in our country there is an “analogue” of the .25 cartridge - this is 5,45x18. And an automatic multi-shot pistol (OTs-23) was also made for him. And he also did not go far, although he had a certain potential.

      1. .25 is 6,3 and not 5,45. do not confuse .22 and .25
      2. OTs-23 was created for the Ministry of Internal Affairs, passed the tests, but did not go into the series because of the collapse of the USSR. It’s easier for cops to buy AKMSU at the warehouse as a ready-made batch than to wait for the release of the right number of pistols and cartridges for them. Yes, and Stechkin died ...
      1. gross kaput 21 October 2015 21: 34 New
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        Quote: 4-th Paradise
        OTs-23 was created for the Ministry of Internal Affairs, passed tests,

        Dart is an initiative development of Tulaks that appeared after the collapse of the union - in the early 90s the state released the reins and stopped feeding gunsmiths, and then a lot of initiative designs were born that basically remained fun and unclaimed kunshtuk - as it turned out gunsmiths were taught how create weapons for the given characteristics but did not learn how to make TTZ.
        Quote: 4-th Paradise
        . It was easier for cops to buy AKCU

        Tell us in more detail where you saw the cop with AKCSU? five years ago, people were breaking spears, but was it even released at least in a small series, and you know, they immediately found warehouses with them somewhere.
    2. gross kaput 21 October 2015 21: 27 New
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      Quote: _KM_
      So small calibers periodically encourage designers to automatic and multi-shot pistols. But, as far as I know, get only KelTech spread.

      Apparently you know bad wink Five-seveN is the only hole punch widespread - it is armed with the Belgian army and police, as well as some special police and army units in 20 countries, including the USA, France, Canada and the most ridiculous one is in Georgia. And kel-tech, looking at the growing popularity of 5-7 in the United States, just released its "replicant" by .22 wmr.
  7. abrakadabre 21 October 2015 11: 22 New
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    Make a cut-off for 2-3 rounds and it will become even better. And so, too gluttonous.
  8. chunga-changa 21 October 2015 12: 05 New
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    Interesting thing.
  9. forwarder 21 October 2015 12: 48 New
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    It is worth noting that basically 6.35x15.5 caliber cartridges were used exclusively in miniature pistols, which were also called "ladies'".

    muzzle energy - 92 J

    They called it one time (in RI), it was like that. In general, without automation, this is a typical civilian weapon. From bullies like Browning.
    What it is with automation, for which it is generally necessary, is difficult to say. Weapons of unknown destination.
    1. Good me 21 October 2015 12: 56 New
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      Quote: forwarder
      What it is with automation, for which it is generally necessary, is difficult to say. Weapons of unknown destination.

      Maybe Cosa Nostra, the customer of the development? belay lol
      1. forwarder 21 October 2015 13: 44 New
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        Quote: Good I
        Maybe Cosa Nostra, the customer of the development?

        For our goat (Cosa Nostra) is not suitable. DE is only 92 J, whom will they shoot? Only if a bayonet-knife came to the kit. Then nothing else.
    2. Mooh 21 October 2015 13: 20 New
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      Weapons of unknown destination.

      Why is it not clear? For those who do not know how to shoot ladies. To beat in all directions with squinted eyes, if you do not get into the striker then at least you will attract the attention of the police. Also, a criminal with such a “monkey with a grenade” can be scared to shit.
      1. forwarder 21 October 2015 13: 45 New
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        Quote: MooH
        Why is it not clear? For those who can not shoot ladies

        Ladies will not be allowed to buy it. Automatic weapons are almost never sold as civilian weapons.
        1. Mooh 21 October 2015 13: 58 New
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          Quote: forwarder
          Quote: MooH
          Why is it not clear? For those who can not shoot ladies

          Ladies will not be allowed to buy it. Automatic weapons are almost never sold as civilian weapons.

          Read the article carefully. I retell specifically for you - Created as a civilian weapon, but the Italian government decided that ladies with a machine gun were more dangerous than street crime, and the sale was banned.
          Pysy
          About the bayonet-knife masterpiece good
          1. forwarder 21 October 2015 14: 52 New
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            Quote: MooH
            Created as a civilian weapon

            I already wrote, there are no automatic civilian weapons. And without this option, yes, a typical civilian weapon.
  10. _KM_ 21 October 2015 16: 23 New
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    Quote: 4-th Paradise
    25 is 6,3 and not 5,45. do not confuse .22 and .25


    Read carefully. An analogue, and even in quotation marks, is not exactly the same cartridge, but close in characteristics. And the .22 cartridge is completely different from the 7H7. ACP .25 is much closer to it than .22 LR.

    Quote: 4-th Paradise
    OTs-23 was created for the Ministry of Internal Affairs, passed the tests, but did not go into the series because of the collapse of the USSR.


    Officially, the development of the OC-23 began in 1993. Therefore, the collapse of the USSR has nothing to do with it.

    In general, it is difficult to understand the purpose of the ARMY (or police) automatic pistol under a weak cartridge. Because he, on the one hand, is not a replacement for PP, but on the other hand as an ind. weapons inferior to traditional pistols in terms of cost and effectiveness. And even limiting the length of the queue does not change anything.

    A lot has been written about the concept of the “dart" of hitting a target with a one-point burst. But in practice, it is difficult to do. What was clear at the design stage. The very first tests confirmed this.
  11. tchoni 21 October 2015 19: 58 New
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    It seems to me that a similar philosophy of the cartridge and weapons as a whole can be used to create a modern assault rifle. Small "transverse" cartridge sizes may well allow placing up to 50-60 rounds in a standard-size magazine, and in combination with an air-cooled barrel (similar to those used with Pecheneg and Lewis machine guns) this would create a fairly compact device with small-caliber capabilities machine gun.
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    3. forwarder 21 October 2015 20: 35 New
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      Quote: tchoni
      a similar cartridge and weapon philosophy as a whole can be used to create a modern assault rifle

      The caliber for such a weapon is too large.
      Quote: tchoni
      and in combination with an air-cooled barrel (similar are used on Pecheneg and Lewis machine guns), this would make it possible to create a fairly compact device with the capabilities of a small-caliber machine gun.

      For a variety of reasons, there is no need for such weapons and will not be in the future. Small-caliber bullet has its own characteristics. Submachine-gun (this American name, it seems to me, is more suitable for this type of weapon, reflects its capabilities more fully) on a cartridge with such a bullet it turned out to be quite good. But more cannot be expected from him. He is not suitable for the role of a company machine gun. And just because of the cartridge.
      As for the term submachine-gun.
      The assault rifle cannot be called the same M16A2. He has an effective range, like a full-fledged automatic rifle. And the M16 in the USA is not called the term "assault rifle". Only in Europe.
      Automatic M16A2 rifle can not be called either. He has an intermediate cartridge power cartridge.
      If you look at the history of weapons, then the precursor of the M16 generation was Thompson's submachine-gun. The term submachine-gun is American, in Europe Tommy gans were called, in the European manner, submachine guns. But the Americans did not position them so, as the name implies. And they initially adopted M16A1 into service to replace it with Tommy Gan. This is also evidenced by the similarity of the performance characteristics, these weapons have exactly the same effective firing range. But later, having tested the M16A1 in Vietnam, they slightly changed it and adopted the M16A2. Which became the main personal small arms of the American army, replacing not only Tommy-gun, but also M14.
      That is why I believe that the M16 is more appropriate to call a submachine-gun, like Tommy-gun. In the Russian version, this is probably "automatic". But by no means an assault rifle. In terms of performance characteristics, the M16 (and the AK-74) and the stormtrooper (and the AK-47) have nothing in common.
      1. tchoni 21 October 2015 22: 54 New
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        Yes, no one is talking about the "company machine gun" and its replacement. I’m talking about an AK-74 assault rifle with “slightly higher” RPK-74 capabilities .... That's all. If quite simple.
        1. forwarder 22 October 2015 21: 49 New
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          Quote: tchoni
          I’m talking about an AK-74 assault rifle with “slightly higher” RPK-74 capabilities ...

          Such weapons have already existed for a long time (I will not call it an assault rifle, because this is not right). It is called M16A (2 or more). TTX is slightly better than RPK-74. And the dimensions are approximately the same as that of the AK-74. Just what you requested.
          1. tchoni 22 October 2015 22: 06 New
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            Quote: forwarder
            It is called M16A (2 or more)

            Are you talking about the M16 with a high-capacity store?
            But, this store is not user friendly ...
            for that matter, the AK-74 with a box magazine from the RPK is more convenient .. But you can add a disk to the AKM.
            I’m talking about increasing the capacity of a store of a box-shaped and a standard size ... due to the geometry of the cartridge ..
            1. forwarder 23 October 2015 22: 20 New
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              Quote: tchoni
              I’m talking about increasing the capacity of a store of a box-shaped and a standard size ... due to the geometry of the cartridge

              I did not understand the phrase.
          2. tchoni 22 October 2015 22: 24 New
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            Well, and in the end, do not order the M16 to put into service the Russian army?
            1. forwarder 23 October 2015 22: 18 New
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              Quote: tchoni
              Do not order the M16 to put into service the army of the Russian Federation?

              No, I will not order. Because I think that they will not sell a license. Maybe it will be possible to find something old Belgian or German on the cartridge M855. This would be, in my opinion, a very good way out. But, as you think, how much it will cost ... But other options do not come to mind.
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  12. gross kaput 22 October 2015 01: 34 New
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    Again, this miracle spews another fantasy laughing
    Quote: forwarder
    And the M16 in the USA is not called the term "assault rifle"
    Yeah, and in your inflamed brain - in the US Army We-16 is simply called - rifle, but what do Americans call an automatic rifle - automatic rifle? open the Colt Defense army catalog and it’s a miracle - automatic rifle is nothing more than an analogue of our RPK - We-16 with a heavy barrel, bipods, firing a machine gun - from the rear whisper.
    Quote: forwarder
    And they initially adopted M16A1 into service to replace it with Tommy Gan.

    Comedian damn it - the Americans in 1957 announced a competition for a new rifle and cartridge to replace We-14, and by the way, by that time, the Tommy Ghans were not in service with the US Army anymore - for about 15 years they had adopted the M3 - an oil can.
    Quote: forwarder
    This is also evidenced by the similarity of the performance characteristics, these weapons have exactly the same effective firing range.
    I don’t even want to comment - it’s just hard to imagine more nonsense - if the strap of the Tommy Gan M 1928 is marked up to 600 yards, this does not mean that this is its effective firing range, for Tommy the dream range is 150-200 meters - but the truth is, merchants do not care - because their fantasies are exactly what it is. laughing
    Quote: forwarder
    That is why I believe that the M16 is more appropriate to call a submachine-gun, like Tommy-gun.
    that is why I think you are raving.
    Quote: forwarder
    In terms of performance characteristics, the M16 (and the AK-74) and the stormtrooper (and the AK-47) have nothing in common.

    A masterpiece! only there is one non-linkage - weapons are not classified according to performance characteristics but according to the tasks that they must solve.
    In general, another verbal diarrhea from a witness of the Kuptsov sect without any argument - which is understandable in principle - there is no material argument for delirium and hallucinations.
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