Download video: Methods for Attaching Firearm Suppressor
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A suppressor, sound suppressor, sound moderator, or silencer, is a device attached to or part of the barrel of a firearm which reduces the amount of noise and usually also the amount of muzzle flash generated by firing the weapon.
While suppressors are also referred to as "silencers", the latter is misleading because no firearm can be made completely silent, as the term "silencer" implies.Functionally, a suppressor is meant to diminish the report of a discharged round, or make its sound unrecognizable. Other sounds emanating from the weapon remain unchanged. Even subsonic bullets make distinct sounds by their passage through the air and striking targets, and supersonic bullets produce a small sonic boom, resulting in a "ballistic crack". Semi- and fully automatic firearms also make distinct noises as their actions cycle, ejecting the fired cartridge case and loading a new round. Despite being misleading, the term "silencer" is still widespread.
1) How a Firearm Suppressor Works
2) Homemade suppressor for caliber .22 pistol / rifle
Legal regulation of suppressors varies widely around the world. In some nations, such as Finland, Norway and France, some or all types of suppressor are essentially unregulated and may be bought "over the counter" in retail stores or by mail-order, as they are considered a great help, along with hearing protection, to preserve the hearing of the user and any onlookers
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