☆ Camo Challenges | List of Blueprints
★ DMZ Key Locations and Map
☆ Ashika Island: DMZ Keys | Weapon Cases | Map Guide
★ How to Get Weapon Cases
C400 Door Knocker is a Muzzle attachment in Call of Duty: Modern Warfare 2. Read on to see all info on C400 Door Knocker and find out how to get it, including weapons and weapon platforms that can use it!
| C400 Door Knocker | Description | ||||
|---|---|---|---|---|---|
| Type: Muzzle This breacher muzzle brake gives the edge in close-quarters combat with increased melee damage. |
|||||
| Pros | Cons | ||||
| + Melee Damage | - Aim Down Sight Speed | ||||
| Weapon | Required Level |
|---|---|
 M16
|
Raise the M16 to Level 5 |
 Lachmann-556
|
 M4
|
M16
|
 Kastov-74u
|
 TAQ-56
|
 556 Icarus
|
 Kastov 545
|
 STB 556
|
 HCR 56
|
| Ammunition | Barrels | Lasers |
| Magazines | Muzzles | Optics |
| Rear Grips | Stocks | Underbarrels |
| Best Weapon Attachments | ||
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