Flatline - Modern Warfare 3 - Modern Warfare 3

Flatline Blueprint

The Flatline is a Weapon Blueprint available in Call of Duty: Modern Warfare 3 (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 3.

The Flatline blueprint was released in MW3 and Warzone 2 as part of the Bundle Infinite Warfighters: ETH.3N.

You can find all the attachments for the Modern Warfare 3 and Warzone 2 Flatline Blueprint listed below.

Blueprint Info

Base Weapon: M4

Weapon Class: Assault Rifles

Release: Season 1

Bundle: Infinite Warfighters: ETH.3N

Flatline Blueprint Attachments:

Here are the attachments for the Flatline Blueprint featured in Call of Duty: Modern Warfare 3 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 3:

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

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