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The Schlager PEQ Box IV is a gun attachment found under the Lasers attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the Schlager PEQ Box IV and find out all compatible guns for this attachment!
List of Contents
The Schlager PEQ Box IV attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:
| Weapon | Required Level |
|---|---|
 Holger 556
|
Raise the Holger 556 to Level 12 |
Alternatively, players who have reached Account Level 25 can opt to complete Armory Unlock challenges to get the Schlager PEQ Box IV attachment, early.
Once you unlock this feature, modify your chosen gun at the Gunsmith and select the Schlager PEQ Box IV from the Laser attachment slot of your weapon. This should activate its Armory Unlock contract, allowing you to complete Daily and Bonus Challenges to get it earlier.
| Attachments By Type | |||
|---|---|---|---|
| Barrel | Stock | Ammunition | Muzzle |
| Rear Grip | Optic | Underbarrel | Magazine |
| Receiver | Laser | Comb | Trigger Action |
| Guard | Bolt | Arm | Rail |
| Carry Handle | Lever | Loader | Wire |
| Conversion Kit | |||
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