- For a generic muzzle attachment, see Monolithic Suppressor.
- "Heavy duty monolithic core increases muzzle velocity while maintaining a low sound signature."
- — In-game description
The Monolithic Integral Suppressor is a barrel attachment featured in Call of Duty: Modern Warfare and Call of Duty: Warzone. It is uniquely available to the MP5 submachine gun.
This attachment blocks the ability to equip Muzzle attachments to the gun.