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The M13C Factory Barrel is a gun attachment found under the Barrels attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the M13C Factory Barrel and find out all compatible guns for this attachment!
List of Contents
The M13C Factory Barrel attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:
 Attention! |
This section is under construction! Check back soon as we update this page with MW3 unlock info for this attachment. |
Alternatively, players who have reached Account Level 25 can opt to complete Armory Unlock challenges to get the M13C Factory Barrel attachment, early.
Once you unlock this feature, modify your chosen gun at the Gunsmith and select the M13C Factory Barrel from the Barrel attachment slot of your weapon. This should activate its Armory Unlock contract, allowing you to complete Daily and Bonus Challenges to get it earlier.
| Attention! |
This section is under construction! Check back soon as we update this page MW3 guns that can use this attachment. |
| 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 | |||
| Best MW3 Barrels |
|---|
| This list is under construction! |
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