Sound Dampener

The Sound Dampener is a weapon attachment that is used by the UNSC that increases effective range and reduces firing signature.

Known Applicable weapons
The following weapons have been seen to utilize this attachment:
 * BR85N Service Rifle
 * M20 SMG
 * M395B DMR
 * MA5D assault rifle

List of appearances

 * Halo 5: Guardians
 * Halo: Retribution