Call of Duty Modern Warfare 3 (MW3)

How to Unlock FTac Castle Comp Attachment

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

How to Unlock FTac Castle Comp

Level Up Guns in MW3 Multiplayer Modes

The FTac Castle Comp attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:

Weapon Required Level
Modern Warfare 3 -MX9MX9 Raise the MX9 to Level 12
Modern Warfare 3 -556 Icarus556 Icarus Raise the 556 Icarus to Level 10

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 FTac Castle Comp attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the FTac Castle Comp from the Muzzle 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

FTac Castle Comp Compatible Guns

Guns That Can Use the Attachment
Modern Warfare 3 -VEL 46VEL 46 Modern Warfare 3 -MX9MX9 Modern Warfare 3 -Lachmann SubLachmann Sub
Modern Warfare 3 -Vaznev-9KVaznev-9K Modern Warfare 3 -FSS HurricaneFSS Hurricane Modern Warfare 3 -MinibakMinibak
Modern Warfare 3 -PDSW 528PDSW 528 Modern Warfare 3 -Fennec 45Fennec 45 Modern Warfare 3 -ISO 45ISO 45
Modern Warfare 3 -ISO 9mmISO 9mm Modern Warfare 3 -Kastov-74uKastov-74u Modern Warfare 3 -Kastov 545Kastov 545
Modern Warfare 3 -M4M4 Modern Warfare 3 -M16M16 Modern Warfare 3 -TAQ-56TAQ-56
Modern Warfare 3 -STB 556STB 556 Modern Warfare 3 -ISO HemlockISO Hemlock Modern Warfare 3 -M13BM13B
Modern Warfare 3 -Tempus RazorbackTempus Razorback Modern Warfare 3 -M13CM13C Modern Warfare 3 -FR AvancerFR Avancer
Modern Warfare 3 -Lachmann-556Lachmann-556 Modern Warfare 3 -HCR 56HCR 56 Modern Warfare 3 -556 Icarus556 Icarus
Modern Warfare 3 -556 Icarus556 Icarus Modern Warfare 3 -MCWMCW Modern Warfare 3 -MTZ-556MTZ-556
Modern Warfare 3 -SVA 545SVA 545 Modern Warfare 3 -LongbowLongbow Modern Warfare 3 -Holger 26Holger 26
Modern Warfare 3 -WSP StingerWSP Stinger Modern Warfare 3 -Bas-PBas-P Modern Warfare 3 -FR 5.56FR 5.56
Modern Warfare 3 -Bruen Mk9Bruen Mk9 Modern Warfare 3 -FTAC SiegeFTAC Siege Modern Warfare 3 -Holger 556Holger 556
Modern Warfare 3 -WSP SwarmWSP Swarm Modern Warfare 3 -DG-56DG-56 Modern Warfare 3 -WSP-9WSP-9
Modern Warfare 3 -DG-58 LSWDG-58 LSW Modern Warfare 3 -DM56DM56 Modern Warfare 3 -RAM-7RAM-7
Modern Warfare 3 -HRM-9HRM-9 Modern Warfare 3 -RAM-9RAM-9 Modern Warfare 3 -FJX HorusFJX Horus
BAL-27 Modern Warfare 3 -STG44STG44

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 Muzzles to Equip in MW3

Best MW3 Muzzles
This list is under construction!

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