Military Review

Five-seveN pistol chambered for 5,7x28

Article about submachine gun Р90 it was possible to get acquainted with the cartridge 5,7х28, but the submachine gun described in the article is not the only one weapon under this cartridge. In addition to this sample, there is also a gun with a sufficiently large magazine capacity, while the length of the handle of the weapon remains within reasonable limits. This is a gun company FN Five-Seven, or more correctly to say Five –seveN, since this is the name of the weapon stated by the manufacturer and in it are shown in capital letters the abbreviation of the company name. It is with this sample, or rather with several variants of this gun, we will try to get acquainted in this article.

This sample of the pistol appeared as an addition to the P90 submachine gun, so that we can speak about the cartridge-weapon complex, and not about a single copy. Considering that the submachine gun itself came out quite unusual, many expect that the pistol will also represent a not entirely classical design, but this is absolutely not the case. Although if you look at the weapon carefully, you can see that many moments in it are really interesting and deserve, if not praise, then at least attention, but in general, nothing supernova in the weapon has been applied. The pistol was developed at the end of the 80s of the last century, but its production was established only in the 1998 year. It was then that the first version of this weapon appeared.

The first version of the gun was offered to the army as a weapon for personal protection. Indeed, this gun is always ready to fire. It uses a double-action firing mechanism only, that is, before each shot, when the trigger is pulled, a platoon occurs and then the trigger is released. In addition, there is an automatic safety lock that blocks the drummer until the trigger is fully pulled, which prevents an accidental shot, even if the cartridge is in the chamber. Accidental pressing of the trigger is also partially excluded, since the pressing force due to the self-dial is large enough. Thus, this gun is obtained by the weapon from the category “got-shot”, but at the same time it is quite safe when worn. A distinctive feature of this gun is that it does not have a fuse switch, and its safety bracket is rather complex in shape. Sights consist of a fly, which is made a separate part from the housing-bolt, as well as the whole, which is mounted on a dovetail-type seat. Under the barrel of the weapon, in the frame there is a seat for additional devices, such as a compact version of a flashlight for highlighting the target or a laser designator. Fixing the magazine with a capacity of 20 ammunition is carried out using the button on the left side of the weapon.

Some time after the release of the army version of the pistol, an option was offered for the police. Despite its external similarity with the previous version of the weapon, this gun is somewhat different in its design and device. First of all, the main difference is the trigger mechanism of ordinary action, that is, before the shot you need to take the bolt back to set the percussion mechanism, it is natural that after each shot it all happens automatically. In order to be able to safely carry a weapon with a cartridge, a non-automatic safety lock is provided in the chamber. Thus, to prepare for the shot, the weapon must either be removed from the safety catch, or else not to use it and not to carry a pistol with a cartridge in the chamber, delaying the bolt if necessary to use a weapon. On the one hand, the fact that the pistol has to be prepared before use is a minus, but most of the pistol models have such a “minus”, so it’s not worth taking into account, but the fact that when you press the trigger you need to put less effort compared to the previous version of the gun, and this is certainly a plus, since this greatly increases the accuracy of shooting, back, comparatively. In all other respects, the weapon was completely analogous to the previous model. This sample had a prefix to the name Tactical.

The long production of this gun was not, already in 2004, this model was replaced by a pistol marked IOM (Individual Officers Model). Despite its name, this gun entered the civilian arms market, where people first met it, but they already knew about the ammunition from the civilian version Р90 without the possibility of automatic fire. Externally, this gun can be distinguished by the picatinny-type guide under the barrel on the weapon frame, as well as by the new shape of the casing-bolt. Internally, this gun has not changed in comparison with the previous sample. True, the weapon was supplemented by another point that made it safer, namely, an automatic store fuse. Such an addition is necessary primarily because of the fact that the owner pulls the magazine out of a pistol and believes that after this the weapon is completely safe is not uncommon. As a result, the cartridge remains in the pistol's chamber, and despite the lack of a magazine, the pistol is completely ready for shooting, and this is actually the cause of frequent accidents with pistols, and not only with them. With the Five-seveN IOM pistol, this situation is excluded, since a shot without an inserted magazine is impossible. But even these weapons were not produced for long, and soon the company introduced the next version of the gun, this time the final one.

The next version of the weapon was named Five-seveN USG (United States Government), after this version of the weapon went into mass production, other models stopped producing and at the moment this gun is the only mass-produced version of the weapon. Externally, the gun is very easy to find out and distinguish from other previous options. The thing is that in this gun the safety clip is no longer of a complex shape, but a simple, large, straight line, which turned out to be much more convenient than the previous versions. In general, as it seems to me, the previous versions of safety clips were made only for the weapon to be recognizable, but when it had already gained some distribution, they decided to return to the “classics”. Sights were also changed. At first, the gun sights were adjustable, then options with unregulated ones appeared, and after all, it was possible to find both versions of aiming devices in the weapon set, and it was easy to replace them independently, since they were removable. At the moment, there are various options for the execution of this gun, while the diversity even touches the texture of the handle of the weapon, which, in my opinion, is an obvious overkill. Even the lining on the casing-shutter, which are made for more comfortable retention can have both notches, and just bulges, while they are removable and the shooter can choose what he likes more. The trigger mechanism of the pistol, as well as in previous models except the first single action.

As you can see in all versions of weapons, the location of the controls is the same. So in all but the first version of the gun, there are very small fuse levers that are duplicated on both sides of the weapon. These switches are located above the trigger of the gun, which requires a certain habit, since it is now most convenient to switch them with the index finger of the holding hand. This, according to the designers, reduces the time to prepare for the first shot. To disassemble the weapon, it is enough to pull the bolt all the way back, lock it and squeeze the gun barrel lock, after which the shutter guard is smoothly pulled forward while removing the pistol, and the barrel itself with the return spring entwined around it is separated from the weapon frame. It’s interesting to everyone that the return spring itself is, firstly, entwined around the barrel, and secondly, the return spring is fixed and cannot fly off the barrel of the weapon and get lost, which is a plus when servicing in the field, when everything is done literally sense on the knee. A remarkable point is that the company’s specialists prohibit the further disassembly of weapons, and this is something you can think about. Or the gun is not as simple and thought out as it seems, or too many people have hands that grow out of the wrong place, because a qualified specialist should completely disassemble them, as required by the company. The only thing that I did not understand is whether the guarantee on the weapon is not lost if it is disassembled and assembled completely.

Five-seveN pistol chambered for 5,7x28And now the most important thing. Five-seveN pistols are built according to a semi-free-bolt scheme, as the designers managed to accomplish this nobody knows ... Just kidding, this time everything is just like a shovel. Just look at the window to eject the spent cartridges and estimate the thickness of the housing-bolt, the weight of which is greater than the weight of the remaining components of the weapon. So there is a rigid return spring, a heavy shutter, a connection between the barrel of the housing and the shutter, and you can shoot with 5,7x28 cartridges. According to the logic, the large-weight shutter casing had a significant impact on the accuracy of the fire, but here the designers also thought of everything. The barrel of the weapon is underestimated, because the recoil vector when firing is lower than that of other pistols, just as important is that the shutter-casing moves along the inner guides of the frame, which makes it possible to extend the service life of the weapon, since with this arrangement of parts, the “unburdening” during operation is lower that back affects shooting accuracy. By the way, this is confirmed by the fact that the manufacturer guarantees more than 20 thousands of gun shots with proper care and maintenance, apparently serviced by specialists, who can make a complete disassembly.

Just like the P90 submachine gun, the Five-seveN pistols leave a double impression. On the one hand, the weapon seems to be quite effective due to ammunition against opponents in the means of individual armor, on the other hand, I personally do not believe in the stopping effect of the bullet of the cartridge 5,7х28. Thus, the weapon is mainly not intended for the civilian market because of its ammunition, since in the civilian market, I think, pistols for ammunition with heavy, albeit slower bullets are more in demand. Actually, this is confirmed by the fact that in the civilian market the popularity of this pistol was in the form of a flash - it appeared, tried it, found it unfit. In the military environment, weapons also did not stick, after all, for the ubiquitous distribution and the cartridge itself and weapons were unsuitable for whatever sympathy they felt for it, many accepted the weapon. This weapon is used where there is guaranteed a collision with a protected enemy armor vest, as well as where weapons with an expanded magazine capacity are required. By the way, the gun for the civilian market comes with magazines with a capacity of 10 cartridges, where there is a limit on the amount of ammunition in the store. A standard magazine is a magazine with a capacity of 20 cartridges, a store with an increased capacity fits 30 cartridges, but at the same time it protrudes downwards beyond the pistol grip.

Well, in conclusion, the most important thing - tsiferki. The total length of the pistol with the barrel length in 122 millimeters is 208 millimeters. The height of the weapon with the standard magazine is equal to 145 millimeters. The width of the gun is considerable - 36 millimeters. The weapon without ammunition weighs about 600 grams, and the weight can vary within narrow limits due to the fact that the handle of the gun can be equipped with various removable rear parts. The effective distance of using the weapon to 50 meters, although the target can be confidently hit and at a distance of 150 meters, how far the bullet flies, saving the lethal energy, unfortunately, the data diverge, therefore it is better to keep silent about them.

In general, such a weapon was created as a company for the P90 submachine gun.
Photos used:

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  1. avt
    avt 7 March 2013 09: 34
    Good system review completion good a plus ! By the way, I remember Stechkin worked with such a caliber, the Dart seems to be called a sample, for the Ministry of Internal Affairs he made only an automatic pistol, but in the end he also switched to 9mm and made Pernach.
    1. Ch0sen1
      Ch0sen1 7 March 2013 11: 13
      Well, our cartridge 5,45x18 for which the "Dart" was made is much weaker, it cannot be compared with five or seven.
    2. the47th
      the47th 7 March 2013 11: 16
      OTs-23 The dart was chambered for 5,45x18, fired in bursts only with a cutoff of three. Pernach, as far as I know, did not take root either.
      1. avt
        avt 7 March 2013 17: 23
        Quote: the47th
        OTs-23 The dart was chambered for 5,45x18, fired in bursts only with a cutoff of three. Pernach, as far as I know, did not take root either.

        Yes, they are the most. As a result, the FSB officers took the Vector, which Gyurza and Heather under 9 x21, but the gun was probably a bit heavy. Here is perhaps the analogue of the cartridge, gun, PP system.
        1. Slavs69
          Slavs69 14 March 2013 18: 03
          By the way, the system adopted by the FSB went further: SR-1 "Vector", SR-2 "Veresk", SR-3 "Whirlwind", "Val", "Vintorez" (albeit with a different cartridge 9 * 39) ... A good indicator of the concept.
  2. Ch0sen1
    Ch0sen1 7 March 2013 11: 35
    The gun is interesting of course, but not for everybody. A very unusual fuse is made under the index finger. For a senior commanding officer who needs a gun purely for status, it’s quite suitable as our PSM, for military operations ..... request

    Anyway, no matter how much gunsmiths try, there is nothing better than the classic M1911 winked
    When they run out of ammo, they can work like a brass knuckles or a club, but I would beware of modern plastic ones ...
    1. bazilio
      bazilio 7 March 2013 12: 44
      Quote: Ch0sen1
      better than the classic M1911 there is nothing and will not be

      I would say so not about Colt 1911 itself, but about its principle of operation of automation, yes.
      1. Ch0sen1
        Ch0sen1 7 March 2013 15: 34
        The Colt itself is also a very nice machine, it sits comfortably in the hand and the return due to the greater weight is quite moderate. In general, I liked him winked
        1. bazilio
          bazilio 7 March 2013 18: 11
          I agree with you completely. Colt is a classic pistol. Beautiful trunk. Colt bless you! ))) Or "The one who has the Colt in his pocket will be good at it." bully
  3. AlNikolaich
    AlNikolaich 7 March 2013 11: 39
    Thank you for the article. Kirill. All perfectly!
    As for the five-seven itself. Not a bad modern example without any special pretensions. "As a company for the P90 submachine gun" just right.

    Quote: avt
    Stechkin worked with such a caliber, the Dart seems to be called a sample, for the Ministry of Internal Affairs he only made an automatic pistol, but in the end he also switched to 9mm and made Pernach

    Yes, there was such a topic. First, under the patron 5.45x18 created PSM Tula
    The energy of the bullet is about 130 j, which is less than that of the Belgians. But with PSM the question was to ensure the smallest dimensions of the sample, with the maximum possible damage (naturally within reasonable limits, otherwise you can recall the German Corifilla under the 45 ACP cartridge). Penetration of the cartridge at a height, and the stopping effect will not be enough. And the expansive bullet apparently does not work out very well due to the small size. Here we have moved away from the topic a few. It’s too early to judge the impasse, we will wait for further development
    1. the47th
      the47th 11 March 2013 10: 48
      Quote: AlNikolaich
      It’s too early to judge the impasse, we will wait for further development

      Further development, most likely, is not expected. Armor-piercing 9x19 and 9x21, in my opinion, quite suit the customer. The 5,45 does not have enough stopping power for a pistol, even with a cutoff. As far as I know, the Dart was abandoned precisely because the AP of three hits 5,45x18 is less than one hit of 9x18.
  4. Massik
    Massik 7 March 2013 11: 49
    Basically, the emphasis is on the cartridge itself, and not on the gun .....
    Whoever scolded our pistols, but at the cost they are still much cheaper, even though they don’t have a rail under the forehead and a flashlight, and service is not required for cleaning.
  5. Sanches
    Sanches 7 March 2013 12: 03
    this is a pistol for high-speed shooting, even if the cartridge is not as strong as the creators wanted, but five-seven allows you to stuff the enemy with a dozen bullets per second without even aiming. and that’s why they love him
  6. bazilio
    bazilio 7 March 2013 12: 37
    Cyril, thanks.

    In fact, I can say that this gun is interesting in many respects for its cartridge.
    Classic automation. But looking at the photo, I had a question - if for five or seven the automatics work according to the principle of a short stroke of the barrel, and decoupling is achieved due to the breech of the barrel due to the interaction of a curved cut in the tide under the breech with a pin rigidly fixed in the frame. The scheme is classic, but looking at the photo you can see that the cutout is parallel to the axis of the barrel. How is the reduction of the breech? Who has any opinions? For comparison, the picture below is a disassembled glock and five to seven
    1. pum boom
      pum boom 7 March 2013 15: 17
      There is no locking in this misunderstanding, with such a meager impulse of a shot it is pointless. The shutter is free, and the groove on the tide of the barrel is exclusively for fixing in the frame
      1. bazilio
        bazilio 7 March 2013 17: 19
        How much impetuous impulse I can not judge.

        Quote: pum-boom
        The shutter is free, and the groove on the tide of the barrel is exclusively for fixing in the frame

        It seems to me that the shutter is not free but semi-free. It seems I myself found the answer to my question)))) If I’m wrong, correct, the trunk with the frame is not linked through the breech and the window in the frame. When fired, the barrel moves back under the action of the rolling shutter frame, transmitting the movement of the barrel through a return spring worn on the barrel. The length of the trunk stroke is determined by the depth of the notch in the tide under the breech. Moving away the barrel rests against the pin and stops, and the frame moves on. It turns out that the chamber is unlocked. Something like that. Maybe I'm wrong)))
        1. pum boom
          pum boom 7 March 2013 18: 13
          Yes, you are right, but I was wrong, the shutter is semi-free. Unfortunately, I did not find the explosion-scheme, but according to the description it can be concluded that the bolt interacts with the barrel through some "U-shaped part". But I suppose that the retraction of the barrel back occurs due to the friction of the sleeve against the chamber walls, as in "Er-cru" or "Pernache".
          1. bazilio
            bazilio 7 March 2013 18: 43
            Quote: pum-boom
            But I suppose that the retraction of the barrel back occurs due to the friction of the sleeve against the chamber walls, as in "Er-cru" or "Pernache".

            Perhaps, but it seems to me that with such a massive chamber of the friction will not be enough. On the other hand, this cartridge has a long sleeve and therefore a large area. You will need to google at your leisure, find out what's what)))
        2. Passing
          Passing 7 March 2013 23: 11
          Quote: bazilio
          How much impetuous impulse I can not judge.

          Five-seven has a muzzle energy of a little more than 400 Joules, a PMJ of 300 Joules, a PMM a little less than 500 Joules, a pistol 9x19 for 500 Joules. Those. the energy transmitted to the shutter is not at all scanty.
          Quote: bazilio
          It seems to me that the shutter is not free but semi-free

          A semi-free shutter, by definition, implies some kind of shutter retarder - gas, roller, friction, or some other. Nothing of the kind is mentioned in the context of this gun.
          If you wish, you can, of course, call the joint rollback of the bolt and the barrel an inertial retarder, but all the same, this is precisely the scheme with a free bolt, because the main watershed between the free and semi-free bolt, IMHO, is the method of "supporting" the sleeve, i.e. in one case, the sleeve is propped up by the inertia of the shutter, in the other case, the sleeve is propped up by any other method of slowing down the shutter, i.e. any other than the shutter itself based on inertia.
          In this gun, locking is based on the inertia of the shutter, which means the shutter is free.
    2. Alex
      Alex 9 March 2013 11: 35
      The bolt and barrel do not have a rigid grip. Slowing the shutter-casing and unlocking the barrel is carried out in the first moments of the shot due to the ability of the barrel to move backward in the frame. The lever part prevents the shutter from moving quickly. The barrel moves back about 3 mm, after which the part-lever ceases to interact with the shutter, which continues to move under the influence of the remainder of the pressure of the powder gases and its inertia, reaching the extreme rear position.
  7. bazilio
    bazilio 7 March 2013 12: 56
    Oh, walk so walk- Cyril, I can offer you another very interesting topic for the article. I don’t know if this trunk is familiar to you

    This is the Top Gun Delta 10 barrel. It is primarily interesting for its automation - the use of rollers in the bolt group. Infa on this trunk in RuNet Pts. few. I think most of the audience is unfamiliar with this trunk, and therefore an article about this trunk will be very interesting. I hope you take up this topic))))
  8. Raphael_83
    Raphael_83 7 March 2013 22: 02
    This article is so article! I did not even suspect that this trunk, exclusive in every sense, had so many modifications in such a short period of time. Thank!
    Dear Kirill! How about analytics like Submachine Guns: West Meets East or H&K VP-70 vs Stechkin or Pistol Bleed: Advantage or Subtlety? Of course, after the proposed post above "Delta" (he became interested).
    And please correct if I am mistaken. Do the H&K P-9s also use shutter casters?
    1. Ch0sen1
      Ch0sen1 8 March 2013 12: 05
      Exactly, Heckler Koch 9th has a slow shutter shutter.
      In general, it is interesting, therefore, none of the pistols with a half-free shutter has not gained noticeable popularity, although they have very good characteristics. request
      1. Peacemaker
        Peacemaker 11 March 2013 07: 53
        Systems with a half-free shutter are most sensitive to contamination, which may reduce their popularity.
  9. troll face
    troll face 7 March 2013 23: 29
    Good article, thank the author.
  10. scrabler
    8 March 2013 17: 56
    I apologize for missing - the work was delayed, or rather, it was delayed laughing Thanks for the assessment, articles on the proposed guns will definitely be soldier And thanks for correcting, nakosyachil in an article with automatic weapons feel
  11. Captain45
    Captain45 8 March 2013 19: 05
    Cyril, thanks for the article, +++++. As always, you keep your hand on the pistol pulse. Interesting! I look forward to further delights!
  12. Wiruz
    Wiruz 8 March 2013 19: 52
    Mmm. Good gun. Although the SPS and GSh-18 will still be better.
  13. _KM_
    _KM_ April 18 2013 14: 02
    Some am from this pistol. military man. paramedic shot colleagues at the military. base before shipping to Afghanistan. The gun performed well.
  14. dan79
    dan79 9 September 2017 11: 23
    Good armor-piercing gun.