Whisper weapons (Glushakov) Bashny.Net

Muffler (the official name of the device silent shooting) - special mechanical device that is attached to the barrel of firearms to weaken the sound of a shot.
Mufflers first appeared before the First World War. The current trend is the simultaneous development of the cartridge, weapons and silencers. Only an integrated approach helps to achieve considerable success. One approach to comprehensively address the problem suggests that the only cartridge with subsonic bullets can dramatically decrease the sound of the shot as the shot at a supersonic speed of a bullet, even under ideal mute the sound of the shot remains formed by the shock wave.
Mufflers produce and used mainly for easy shooting firearms (pistols, rifles, submachine guns, machine guns). But there mufflers and artillery.

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The muffler is typically a hollow cylinder made of metal (usually steel, aluminum or copper) or plastic enclosing chamber for removal of spent powder gases. The muffler is screwed to the muzzle of the barrel of a specially made for this thread.
There is also an integrated muffler chamber containing gas already inside the barrel. This muffler is a component of weapons, without which it is impossible to combat use.
Both types of silencers reduce the noise generated by the shock wave to ignite the charge, buoyancy bullet out of the barrel. Gases thus fall into a number of cells, where they lose their velocity, while expanding and cooling. Lost considerable speed, then the gases coming out of the muffler.

In Germany in Meppen at the site of the Technical Center of arms and ammunition of the Bundeswehr (Wehrtechnische Dienststelle für Waffen und Munition 91), a special silencer for guns ACS M109. It was made because the landfill over time was surrounded by growing settlements, and it was necessary to protect them from the screen during the test military equipment

Internals silencers are divided into single-chamber and multi-chamber, with pre-membrane (retention Rushes forward bullets gases) with flow swirlers and heat-absorbing elements.