Call of Duty Modern Warfare 3 (MW3)

How to Unlock S40 Rapid Loader Attachment

The S40 Rapid Loader is a gun attachment found under the Loaders attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the S40 Rapid Loader and find out all compatible guns for this attachment!

How to Unlock S40 Rapid Loader

Level Up Guns in MW3 Multiplayer Modes

The S40 Rapid Loader attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:

Weapon Required Level
Modern Warfare 3 -BasiliskBasilisk Raise the Basilisk to Level 25

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 S40 Rapid Loader attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the S40 Rapid Loader from the Loader 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

S40 Rapid Loader Compatible Guns

Guns That Can Use the Attachment
Modern Warfare 3 -BasiliskBasilisk

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

All Loader Attachments in MW3

All Related Attachments
B-3ST Loader S40 Rapid Loader

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