Call of Duty Modern Warfare 3 (MW3)

How to Unlock XRK Sidewinder-6 Slide Attachment

The XRK Sidewinder-6 Slide 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 XRK Sidewinder-6 Slide and find out all compatible guns for this attachment!

How to Unlock XRK Sidewinder-6 Slide

Level Up Guns in MW3 Multiplayer Modes

The XRK Sidewinder-6 Slide attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:

Weapon Required Level
Modern Warfare 3 -X12X12 Raise the X12 to Level 2

Complete the Attachment's Armory Unlock Challenge

Alternatively, players who have reached Account Level 25 can opt to complete Armory Unlock challenges to get the XRK Sidewinder-6 Slide attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the XRK Sidewinder-6 Slide 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.

Armory Unlock Challenges

XRK Sidewinder-6 Slide Compatible Guns

Guns That Can Use the Attachment
Modern Warfare 3 -X12X12 Modern Warfare 3 -X13 AutoX13 Auto

Modern Warfare 3 (MW3) Related Guides

Modern Warfare 3 - Attachments

List of All Attachments

Attachment Types in MW3

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 Barrels to Equip in MW3

Best MW3 Barrels
This list is under construction!

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