The Flatline is a Weapon Blueprint available in Call of Duty: Modern Warfare 2 (2022) and Call of Duty: Warzone 2.

It is a blueprint variant of the base weapon M4, one of the Assault Rifles featured in Call of Duty Modern Warfare 2.

The Flatline blueprint was released in MW2 and Warzone 2 as part of the Bundle Infinite Warfighters: ETH.3N.

You can find all the attachments for the Modern Warfare 2 and Warzone 2 Flatline Blueprint listed below.

Blueprint Info

Base Weapon M4
Weapon Class Assault Rifles
Release Season 1
Bundle Infinite Warfighters: ETH.3N
Users Rating
5 of 5 (1 Vote)

Flatline Blueprint Attachments:

Here are the attachments for the Flatline Blueprint featured in Call of Duty: Modern Warfare 2 and Call of Duty: Warzone 2.

Muzzle FTac Castle Comp
Barrel Hightower 20" Barrel
Laser Schlager PEQ Box IV
Rear Grip Sakin ZX Grip

You can build your own Flatline weapon Blueprint by adding these attachments on a base in the Gunsmith menu.

Hot to Get the Flatline Blueprint in Warzone 2 and Modern Warfare 2:

To unlock the Flatline Blueprint in COD Modern Warfare 2 and Warzone 2 you need to purchase the Bundle Infinite Warfighters: ETH.3N from the Store.

Infinite Warfighters: ETH.3N Bundle Blueprints:

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