Call of Duty Modern Warfare 3 (MW3)

How to Unlock SAKIN Tread-40 Attachment

The SAKIN Tread-40 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 SAKIN Tread-40 and find out all compatible guns for this attachment!

How to Unlock SAKIN Tread-40

Level Up Guns in MW3 Multiplayer Modes

The SAKIN Tread-40 attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:

Weapon Required Level
Modern Warfare 3 -STB 556STB 556 Raise the STB 556 to Level 4
Modern Warfare 3 -RAPP HRAPP H Raise the RAPP H to Level 14

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 SAKIN Tread-40 attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the SAKIN Tread-40 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

SAKIN Tread-40 Compatible Guns

Guns That Can Use the Attachment
Modern Warfare 3 -Kastov-74uKastov-74u Modern Warfare 3 -Kastov 545Kastov 545 Modern Warfare 3 -Kastov 762Kastov 762
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 -ChimeraChimera
Modern Warfare 3 -M13BM13B Modern Warfare 3 -Tempus RazorbackTempus Razorback Modern Warfare 3 -M13CM13C
Modern Warfare 3 -FR AvancerFR Avancer Modern Warfare 3 -TR-76 GeistTR-76 Geist Modern Warfare 3 -Lachmann-556Lachmann-556
Modern Warfare 3 -SO-14SO-14 Modern Warfare 3 -TAQ-VTAQ-V Modern Warfare 3 -FTAC ReconFTAC Recon
Modern Warfare 3 -Lachmann-762Lachmann-762 Modern Warfare 3 -Cronen SquallCronen Squall Modern Warfare 3 -SAKIN MG38SAKIN MG38
Modern Warfare 3 -SAKIN MG38SAKIN MG38 Modern Warfare 3 -HCR 56HCR 56 Modern Warfare 3 -556 Icarus556 Icarus
Modern Warfare 3 -556 Icarus556 Icarus Modern Warfare 3 -RPKRPK Modern Warfare 3 -RAPP HRAPP H
Modern Warfare 3 -RAPP HRAPP H Modern Warfare 3 -EBR-14EBR-14 Modern Warfare 3 -SP-R 208SP-R 208
Modern Warfare 3 -LM-SLM-S Modern Warfare 3 -TAQ-MTAQ-M Modern Warfare 3 -Tempus TorrentTempus Torrent
Modern Warfare 3 -SA-B 50SA-B 50 Modern Warfare 3 -MCWMCW Modern Warfare 3 -MTZ-556MTZ-556
Modern Warfare 3 -SVA 545SVA 545 Modern Warfare 3 -Bas-BBas-B Modern Warfare 3 -MTZ-762MTZ-762
Modern Warfare 3 -LongbowLongbow Modern Warfare 3 -Pulemyot 762Pulemyot 762 Modern Warfare 3 -FR 5.56FR 5.56
Modern Warfare 3 -Bruen Mk9Bruen Mk9 Modern Warfare 3 -TAQ EradicatorTAQ Eradicator Modern Warfare 3 -Holger 556Holger 556
Modern Warfare 3 -KVD EnforcerKVD Enforcer Modern Warfare 3 -DG-56DG-56 Modern Warfare 3 -SidewinderSidewinder
Modern Warfare 3 -DG-58 LSWDG-58 LSW Modern Warfare 3 -DM56DM56 Modern Warfare 3 -TYRTYR
Modern Warfare 3 -RAM-7RAM-7 Modern Warfare 3 -TAQ EvolvereTAQ Evolvere SOA Subverter
BAL-27 Modern Warfare 3 -Kar98kKar98k Modern Warfare 3 -Kastov LSWKastov LSW

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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