GRU Silencer Share Tweet Share Muzzle | COD Black Ops Cold War Attachments Attachment TypeMuzzle Description Traps gases to reduce muzzle rise and maintain control. Provides flash and sound suppression. GRU Silencer Stats - Pros and Cons: Bullet Velocity -25 m/s Vertical Recoil Control 15 j Muzzle Flash Concealment 100 s Weapon Blueprints That Equip GRU Silencer: Agency Choke Agency Silencer