Why was a revolver with alcohol bullets created in the Soviet Union

A powerful defense industry, for which a huge number of design bureaus worked, appeared in the USSR even before the start of World War II. Developments were carried out in different directions. New equipment, technical support and weapons were created. Naturally, not all products got on the conveyor. There were also those that were produced only in limited quantities. Among them is Gurevich's revolver.

Development Gurevich: how it all began and how it ended

Almost from the moment of its appearance, silencers interested not only the army, but also intelligence officers / Photo: palitka.com

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It should be said right away that mufflers similar to modern models appeared only in the thirties of the twentieth century. Almost from the moment of their appearance, they have interested not only the army, but also employees of intelligence agencies. But they were used extremely rarely and there was a reason for this.

Silencers of that time period were absolutely fragile, and therefore short-lived. They fell into disrepair and required replacement as soon as about fifteen to thirty shots were fired. Silencers for revolvers were especially weak in this sense.

Of course, the invention required modernization, so the designers worked constantly on the development of new technologies. Soviet and American engineers tried to maximize the service life of mufflers. To achieve the desired result, they were required to invent a weapon that would not make any noise at all.

In 1942 E. Gurevich, an engineer from the USSR, had to work on the creation of such a revolver, intended for the NKVD. The key goal was the need to lock the powder gases in the sleeve. In this case, the muffler would not be needed at all, and accordingly, there would be no need to invent a new model.

The engineer was sure that more standard, traditional methods could be used to make the shot soundless. The work was labor intensive. But after a series of tests, he managed to make a completely new version of the cartridge, which has a so-called hydraulic transmission system. This is how the first hydraulic cartridge appeared.

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Initially, water was used in the cartridges. Over time, Gurevich decided to replace it with a sixty percent inexpensive alcohol, which had one advantage. It didn't freeze in the cold. When firing these cartridges, there was practically no smoke and sound.
There was also one negative point. After a shot was fired from the revolver, a rather intense alcohol aroma hovered in the air.

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Limited number of revolvers of this type in 1943 made from metal. Since the bullets from the barrel flew out only at a distance of thirty to forty meters, the weapon was not particularly popular. But this experience was not in vain. The work of the Soviet engineer became useful in the process of creating special hunting rifles.

It would be equally interesting to know why the Russian Gyurza is banned in the USA: what is the peculiarity of the gun.
A source: https://novate.ru/blogs/260921/60675/