Call of Duty Modern Warfare 3 (MW3)

How to Unlock FSS Frame Stock Attachment

The FSS Frame Stock is a gun attachment found under the Stocks attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the FSS Frame Stock and find out all compatible guns for this attachment!

How to Unlock FSS Frame Stock

Level Up Guns in MW3 Multiplayer Modes

The FSS Frame Stock attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:

Weapon Required Level
Modern Warfare 3 -Expedite 12Expedite 12 Raise the Expedite 12 to Level 5

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 FSS Frame Stock attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the FSS Frame Stock from the Stock 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

FSS Frame Stock Compatible Guns

Guns That Can Use the Attachment
Modern Warfare 3 -Expedite 12Expedite 12

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 Stocks to Equip in MW3

Best MW3 Stocks
This list is under construction!

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