The C400 Door Knocker is a weapon attachment featured in Call of Duty: Modern Warfare 3 (2023), Modern Warfare 2 (2022), and Call of Duty: Warzone.
It is one of the Muzzle attachments available in MW3 and MW2.
The C400 Door Knocker is a Universal Attachment, which means it can be used across all Weapons in the game.
C400 Door Knocker
This breacher muzzle brake gives the edge in close-quarters combat with increased melee damage.
C400 Door Knocker Info
- Game Modern Warfare 2
- Release Game Launch
- How To Unlock Get the M16 to Level 5
- Unlocked Via
M16
M160.0 of 5 (0 Votes)
How to Unlock the C400 Door Knocker in MW3, MW2, and Warzone:
Here's how to unlock the C400 Door Knocker attachments in COD Modern Warfare 3, Modern Warfare 2, and COD Warzone 2: Get the M16 to Level 5.
Weapon Blueprints That Equip C400 Door Knocker:
Here you can find the list of Weapon Blueprints that include the C400 Door Knocker attachment in COD Modern Warfare 3, COD Modern Warfare 2, and COD Warzone:
