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There is more information available on this subject at Suppressor on the English Wikipedia.
For the Forerunner weapon, see Z-130 Suppressor; for the Forerunner electronic warfare technology, see AI suppressor.
A suppressor attachment.

A suppressor is a device attached to a firearm to reduce the amount of noise and flash generated by firing the weapon. It generally takes the form of a cylindrical-shaped metal tube that is attached to the barrel of a firearm, with various internal mechanisms to reduce the sound of firing by slowing the escaping propellant gas, and sometimes by reducing the velocity of the bullet. The point is to keep the user concealed and undetected. Suppressors are also commonly used to help reduce the risk of a weapon's operator or those around them suffering from hearing damage or loss, especially in close quarters combat, in which soldiers will of course typically use firearms while in very close proximity to one another.

Known suppressors[edit]


A suppressor can be attached to a modified MA5B assault rifle adapted to use one.[1] Suppressors are attached to the end of the M7S Caseless Submachine Guns and M6C/SOCOMs used by the ODSTs.[2]


  • The suppressor makes its first gameplay appearance in Halo 2 Vista, and is mentioned in The Art of Halo,[3] on the M7/Caseless Submachine Gun.
  • The original plan for the suppressor, which originated around the time of World War II, was to modify the sound of the weapon firing into a different, unrecognizable sound, rather than to reduce loudness of a discharge, as its name suggests.
  • The popular name for the suppressor is "silencer", but this is a misnomer, as sound is still present.
  • The suppressor on the M6C/SOCOM cannot be physically found. It is "hidden" inside the compensator.


List of appearances[edit]


  1. ^ Halo: The Fall of Reach, Chapter 20, page 178 (2001 paperback); page 205 (2010 paperback)
  2. ^ Halo 3: ODST
  3. ^ The Art of Halo, page 108