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CZK - vz. 50, vz. 70

samonabíjecí pistole

Pistole vz. 50 / vz. 70
Originální název:
Original Name:
Pistole vz. 50 / vz. 70
samonabíjecí pistole
Česká zbrojovka Strakonice, ČR
Česká zbrojovka Uherský Brod, ČR
Technické údaje:
Technical Data:
Hmotnost nenabité zbraně:
Weight Unloaded:
0,70 kg
7,65 mm
7,65 Browning
167 mm
Délka hlavně:
Barrel Length:
96 mm
Kapacita zásobníku:
Magazine Capacity:
Rychlost střelby:
Rate of Fire:
- ran/min
Úsťová rychlost:
Muzzle Velocity:
- m/s
Uživatelské státy:
User States:
Archiv autora
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ČZ vz. 50

Caliber: 7.65 Browning
Magazine: 8 capacity, metal, metal foot or plastic with thumb rest
Rate of fire:
Note: was also introduced by postmen

The pistol has a dynamic breech, a plastic two-piece grip encircling the back of the weapon. It operates in SA/DA mode. The safety on the body is combined with a safety release of the cocked hammer. When the pistol is locked, the hammer can be cocked. The firing pin is secured by a vertical block safety.
The sights are fixed, small, poorly readable.
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caliber: - the 7.65 Browning
length: 167mm
barrel length: 96mm
weight: 700g
magazine: 8 rounds

The peculiarity of the gun is the construction of the laser cutting which stands out when a loaded gun from the side of the conclusion.
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ČZ vz 50.

At the request of the owner, I deleted the last two characters from the serial number.
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Gun ČZ vz. 50/70 caliber 7.65 mm Br.

Applicants for a gun license with her to meet and probably for some time will meet the test of practical shooting, and principles of treatment arms. It's about a gun, which is often enough on the shelves to purchase at a very affordable price, giving rise to the suspicion, if at all about the gun. In short: the arms market is "low-end", often posmívaný and certainly unappreciated. I'll try to give you my experience from many years of using this pistol.

It's simple, quick, reliable and accurate gun with a dynamic conclusion, on which they are placed open sights - neregulovatelná fly, gazing laterally adjustable displacement in the dovetail groove. The gun is nastřelena so that at a distance of 50 m the impact of the missiles has agreed to deliberate the point, at a distance of 25 m is the impact site of the projectile 10-12 cm above it.

Reliability is determined by simplicity (gun disassembled for cleaning consists of 4 parts including the tray), the accuracy again by going on a gun with a fixed principal, the missile alert system of the trigger DA, which allows you to carry the gun locked with a live round in the chamber and running the drum a tap. Even though it is a gun safe, since the initiation of rounds the firing pin (e.g. the fall of the weapons) prevents úderníková fuse. The blocking its movement, until it is triggered by released. The first shot is meant to detonate by simply chamber the shutter button, with, however, is its resistance significantly higher (around 5 kN) and running longer. More shots are fired in the stretched cock, a very short amount of running of the shutter button when resistance min. 2 of the cn. Single-row magazine holds 8 rounds of ammunition.

Even if it is a pistol designed for the hub, which is currently considered for personal defense for a little powerful, nothing prevents its use for this purpose. Long decades were the guns of this caliber used by the police to this and other states as a business. This "fifty" and its successor "they've done" reliably serve the members of the SNB and later the Police of the CZECH republic since the beginning of the 50. years up to 90. years of the last century. Replaced in the service of the gun ČZ vz. 27 of the same caliber, used from the first republic. This very successful weapon was considerably more complex, had a fixed barrel and because the used system of DA, was her missile alert lower.

How to choose

The original design of the "fifties" he was after twenty years of "improved" and so was born "they've done". Most recognizable difference from the original "fifty" is a more angular plastic handle, wing manual fuse was shortened, was changed the bolt forming the axis of the striking hammer, and in some specimens also the shape of the tap. But it should be said that this "improvement" wasn't the gun, to the benefit of, on the contrary.

If I can recommend, in the event the purchase prefer the original (rounded) pattern 50 and of these pistols then those that are brynýrovány rather hnědočerveně. The guns that were originally in the arsenal of the SNB, but they were prior to the sale of remanufactured, with new nabrynýrovány, so this "telltale sign" it is often not possible to enjoy. In this case, select a gun class 50 - 52, if available. Wear not need to to worry because despite his “age“ do they have guns from the time of their service odstříleno a minimum.

In most cases today they buy these guns just "střílené", which would, however, candidates need not matter. Their durability is unexpectedly high - certainly higher than they would have according to their prices had expected. Oddly enough the highest durability showing mainly - 20.000 shots at them basically no effect. Worse is it with the rest of the.

What to watch out for when choosing a gun ČZ vz. 50/70

External appearance: we check the traces of wear e.g. wiped brynýr - especially at the edges, sights, etc., any traces of craters on my sights and other unwanted signs of excessive wear.

Remove the tray and insert one bullet. Entries must charge to stick at the same angle, what they have themselves, the charge must not be "stiff" shot up. In the opposite case are the entries spread out and stack refuse, he would be the cause of defects - jam-administered rounds of ammunition. Try to (stick, pencil, or similar tool) whether the feeder tray moves freely and whether the spring of the feeder has the necessary strength.

Try zaklektáním with the conclusion to the party, what is the clearance in the grooves - moderate, but not excessive. Several times, draw the conclusion, whether it goes smoothly. Draw the drums tap and the gentle slow pressure to try running the trigger - length, resistance and whether nezadrhuje - no jumps, stairs, and whether it has a slump after "the shot". Avoid while the impact of the hammer on the firing pin - thumb it last! Repeat the test several times.

Remove the conclusion. The barrel should not have traces of corrosion and at the edges of fields should not be remnants of the carboniferous. The gun should be clean - even in different hard-to-reach places such as the edge of the cartridge chamber can be checked with a toothpick. Check for wear grooves on the conclusion and on the body of the gun - this is however not a very informative finding.

Most evident wear is the conclusion at a point just behind the opening for the fuse firing pin where it hits the top edge of the striking tap after it is in reverse motion conclusion after the shot finally, the cock stretched to the limit and its own dynamics is then returned back. On the ledges, milled to a conclusion arises roztlučené place, which may interfere with and after a time also interferes with the hole for the pin the firing pin and to limit its momentum. This is a substantial defect, because on the smooth mobility of this insurance depends not only the smooth progress of the execution and thus also the accuracy of shooting, but also the drop safety of the pistol.
Conclusion hold the muzzle down and rod, pencil, pen, or other suitable object push down the pin the firing pin in. The firing pin, yet hidden in the bed for the bottom of the casing shall own weight come out. Its tip must be solid and round. After the release of the fuse must be the firing pin again to hide. The spring of the fuse must be sufficiently strong (the force required to compress the fuse box a big). The fuse must move freely, without binding. Push the back part of the extractors in the breech. Is kyvně seated on the pin, on the left hand side must be the conclusion of the eject warning cross, the front has to lean out nail extractors.

Try the side clearance of the striking hammer, and both a stretched and running. May be only slight, especially important is the will to pressure from the left. Its existence could indicate neopravitelnou failure and thus destroyed the gun - t. zv. a "cracked eye". Failure is detectable until complete rozborkou pistol, to which it is entitled to a gunsmith. When you use will cause this fault at the earliest occasional selhače soon, very soon but the gun stops shooting completely. It is so about everything, what you in the shop they tested.

Other acts are already rather for "advanced", but not a lot of them: unscrew the connecting screw pažbiček and remove it. Check the visual condition and the tightening of the nut axis of the striking hammer on the right side - just vision. Attracted to the body of the gun cover plate of the mechanism, there shouldn't even be a minimum gap. The nuts must be in a position in which it is secured by a hex recess in the right pažbičce. Do not tighten it more, it could cause deflection of the right cover plate of the mechanism and the deficiencies of weapons..
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Pistol ČZ vz. 50/70 - part II. - defects and their elimination

The most common cause of defects in shooting is a jammed - unloaded charge. The fault is clearly caused by excessively open outlet glands. This is a consequence of long-term carrying of the full number of rounds in the magazines. Unfortunately, this is how most of the tanks on the market are devalued. It is well identifiable by the "willingness" of the upper charge to "topor" - described in Part I.
Removal (if it is not possible to replace the tank with a faultless one) consists in prevention - ie in that its full capacity is not used. Even a pistol charged with 6 rounds in the magazine and one in the chamber provides sufficient fire capacity.

Before each loading of the magazine into the weapon, the glands of the loaded magazine must be pressed against a solid object so that the upper charge is parallel to the edges of the gland.

Closely related to not delivering a charge is the failure of the breech - the jamming of the charge was not so strong as to completely prevent charging, yet sufficient that the energy of the returning breech was not sufficient for a perfect charge. The interrupter lever remains depressed and firing is not possible. Usually it is enough to reach the correct position with a palm blow - raw force.

Ammunition failure can occur due to the weapon when the weapon has been tampered with. In an effort to "relieve the trigger" by interfering with the trigger teeth - but also otherwise - the drum cock is released and strikes the firing pin before its safety by the trigger arm is sufficiently compressed and the firing pin is hit, especially during slow and "sensitive" launching. released. Then - if the match is "tapped" at all - the energy of the match is too low and not enough to initiate the incendiary composition. In a self-defense situation, it is sufficient to "press" the trigger with the DA. In this case, the striker fuse is always released and the charge is initiated. Also, when the trigger is pulled manually and pressed again, a shot is usually fired.
The occurrence of this defect should always lead to a visit to the armourer and the replacement of modified components - the trigger lever and the cock.
The manufacturer guarantees faultless operation of the weapon if the resistance of the trigger in SA mode of 2 kN and greater is maintained. In general, many years of experience with target shooting from this weapon lead me to claim that reducing the resistance of the trigger below 1.7 kN can cause defects in shooting, while the accuracy of shooting has a negligible effect.

Quite often it happened that the first blow to the item "went up". This did not happen with the automatic reloading of other shots. The difference was usually about 12-15 cm (on the target instead of "10" was "6" at the top). To eliminate this phenomenon, it was enough to move the target point on the first shot lower this distance, but mainly it proved to lubricate bullets by oiling on an oily cloth or foam - commonly used in the pistol Margolin 0.22 LR to ensure the automatic function of the weapon. No explanation has ever been given to explaining this phenomenon. I believe that carbon settles on the front edge of the charge chamber, and thus the charge is not fully reached into the chamber when the conclusion is returned relatively slowly. During the shot, the projectile is not immediately pushed into the bore, but a few hundredths of a millimeter flies freely and only then it hits the transition cone of the barrel. These nanoseconds of free movement of the projectile are manifested by an increase in the angle of stroke and thus the impact on the target of knowledge above.

Unauthorized modifications and tampering with the weapon mechanism

Although "rummaging in the pistol" was always forbidden, the great resistance of the trigger always led to attempts to reduce it. It is true that with the new series weapon, which has "almost four kilos on the trigger", accurate shooting is difficult to achieve. Weakening the drum strut is a nonsensical idea, it has no effect on the resistance of the trigger. The most important component of the trigger resistance is the force of the firing pin spring. Push the lock into the lower position (remember how it was inserted there!), Knock the striker backwards, then pull out the lock in which the spring is inserted.It can shorten by 1.5, maximum 2 threads. I do not recommend replacing it with a weaker one, it would not have to reliably secure the striker. After assembly, check the function of the fuse as described in the previous section.
At the same time, take a good look at the degree of hammering of the slats - described in Part I. If the fuse cannot be pulled out due to this, carefully remove the burrs interfering with the fuse "shaft" so that the fuse runs in it tightly but smoothly. This will also eliminate the "scrubbing" of the trigger in most cases.

The occurrence of further wear can be reduced by slightly sawing the upper part of the drum cock so that the area that devastates the milled bars at the end is significantly increased. You can find out the degree of sawing with the bolt removed and the cock extended: the resulting surface should be parallel to the path of the bolt and should slightly exceed it.

Under no circumstances interfere with the interlocking teeth of the trigger lever and the drum cock, not even by attempting to polish it, albeit the most subtle. The surface hardened layer is extremely weak and, in addition, these teeth fit into each other at a precisely determined angle, which you would certainly not observe.

Also, do not interfere with the spring of the trigger lever, although it sometimes seduces, because it is easily accessible and its weakening will actually reduce the resistance of the trigger quite a lot. However, the risk that the pistol will stop firing is just as great.

Only a rifleman is really entitled to another adjustment (try to stand behind his ass). The only spring left that will help reduce the resistance of the trigger is the hairpin, which lifts the trigger rod with the breaker at one end and returns the trigger forward at the other. However, only a rifleman can get to it - the result is a pistol, disassembled "dead" - all that remains is to dismantle the ejector, puller and press the barrel.

The spring can be "licked" slightly and evenly around the entire circumference "from inside the eye" with a round needle file - about a tenth, but all three threads. Before reassembling, all parts that slide, touch, etc. can be polished. The resulting effect is surprising, the resistance of the trigger is reduced from the original more than 3 kN to a pleasant less than 2 kN. Glare on the side of a semicircular fly can be uncomfortable in some lighting conditions. The rear part of the front sight can be sawed off, but this adjustment will really help only those who normally shoot an average of min. nines.

I wish you a lot of success - always in black and in one hole!
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On the very first photo they are storage reservoirs for vz.70, by comparing the shoes (shoe), it is seen that they are significantly more angular than in the picture my pistol. In addition, they have one more inspection hole in addition - I was with only one bullet?

By the way, those holes were, of course, in the bins for both weapons, but for the "50" are in a row below the other, for "70" is the lowest of the low outside line. The one for vz. 70 has the boot of a square, for 50 was rounded.

Existed as a full foot or without shoes - by the way the pressure of the little finger on the boot will cause interference down/up, so for accurate shooting it is not so good.

Boot not storage reservoirs for vz.27, and vz.52 (there is even using a stack rozebíralo)..
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Comparison of bundles:

Nine rounds can be loaded into the magazine for the Model 70, but the magazine cannot be inserted into the gun unless the slide is in the rear position. This is probably why the last hole is not the same as the others.
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CZK - vz. 50, vz. 70 - Nabitá zbraň

Nabitá zbraň
CZK - vz. 50, vz. 70 - Vybitá zbraň

Vybitá zbraň
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CZ 50 from my collection, Zbrojovka Praha
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Detail of the trigger system
(source: own photo).
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Features laser cutting, source: the manual for the CZ50.
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Fuses and trigger system
Source: manual for the CZ50.
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Instructions for analysis
Source: manual for CZ50
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Parts list
Source: Manual for CZ50
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MV regulation for the use of pi.vz.50
source: Scan prescription
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Modified Svazarmovska version of CZ 50 with extended intentional and extended main
Source: own photo
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CZ70. Year of production 1978
CZK - vz. 50, vz. 70 - Pouzdro na zásobník cz50/70

Pouzdro na zásobník cz50/70
CZK - vz. 50, vz. 70 - Pouzdro na zásobník cz50/70

Pouzdro na zásobník cz50/70
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Personally, this gun also known with "the boot" and when I saw the tray without it I thought it was an "accident" when it was plastic just offended. even in the book (MS small arms and machine guns) from the year 1971 is the gun taken with this tray (vz. 70 is not even mentioned) because of that issue it took some time (at least a year) hardly was a tray from 70ky. Another thing that for the presence of shoes indicates is a "strong inspiration" model of the Walther PP and the same "boot" is used, too.
The requirement that the weapon was "most similar to the PP" was even in 1948 in the award. And when it comes to the design of the fifties I think that they are signed by Jan and Jaroslav Kratochvílovi no p. Mouse (this at the same time he worked on ČZ448)
By the way, i mentioned the publication of this mentions(even much stronger than me) and I quote "the Design of the gun just followed up on known and proven German pistol Walther PP and was later put into production and into service with the designation vz.50. The requirement originated in the consequences of the problems with the gun vz. 38 and complex development of the vz. 52, MNO (which was the original by the client even if the payer was MV) just needed to resolve quickly and reliably the gun, later fifties introduced basically only in the police force (in the army it was just low).
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Your contribution of 14.6.2005 "magazine for the CZ 50 has a smooth bottom of the stack and the body is provided with inspection openings in the tray for CZ 70 is the bottom of the plastic and serves as a rest for the little finger" he gave Karaco rise to discussion, which involved Drinking, Fantan, Tango and Bitaxe.
Using personal memories (Fantan) and professional literature (Bitaxe) we can come to agreement in the fact that the gun ČZ vz. 50 also had the bottom of the tray provided with a plastic rest for the little finger - as well as the ČZ vz.70, these restraints are varied in shape, for vz.70 was a square (on the very first fotu from Cichyho), for vz.50 were zaoblenějšího shape (on fotu from Fantana). There were also trays without the restraints of the little finger (see photo Piti), but they weren't too usual, and also in the book (MS small arms and machine guns) from the year 1971 is the gun taken with this tank..
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Gentlemen, I'm confused. Which is the correct value of resistance of the trigger of the gun vz. 50? Min. 2 cn or "four pounds on the trigger"? If the first, where is the tensioner that pulls the two tons? How it is constructed, because it must be a fantastic faster achievement! Or in zbrojařině does not refer to the abbreviation kN kilonewton? So what?.
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Of course this is a mistake, the resistance is in DA boot 50N in the SA startup 20N..
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Hi I was just wondering what type of production You think is the best for this pistol CZ 50, thank you in advance for your answer..
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#OBI-VAN GOBI: I'm not sure if You will be able to someone answer Your question. Most of the debaters above here already goes (the author of the article has left us, unfortunately, forever), I would recommend to contact directly to the sites of gun owners as arms.kvalitne (50/70) or marksmanship (50/70), or try to ask around at the gunsmiths ....
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answer maybe you will find something above (How to choose and What to watch out for when choosing a gun ČZ vz. 50/70), as he wrote a colleague Fantan 13 years ago.
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