Call of Duty Modern Warfare 3 (MW3)

How to Unlock Kastovia DX90 Attachment

The Kastovia DX90 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 Kastovia DX90 and find out all compatible guns for this attachment!

How to Unlock Kastovia DX90

Level Up Guns in MW3 Multiplayer Modes

The Kastovia DX90 attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:

Weapon Required Level
Modern Warfare 3 -Kastov 762Kastov 762 Raise the Kastov 762 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 Kastovia DX90 attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the Kastovia DX90 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

Kastovia DX90 Compatible Guns

Guns That Can Use the Attachment
Modern Warfare 3 -Kastov 762Kastov 762 Modern Warfare 3 -ChimeraChimera Modern Warfare 3 -TR-76 GeistTR-76 Geist
Modern Warfare 3 -SO-14SO-14 Modern Warfare 3 -TAQ-VTAQ-V 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 -RPKRPK 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 -Bas-BBas-B
Modern Warfare 3 -MTZ-762MTZ-762 Modern Warfare 3 -Pulemyot 762Pulemyot 762 Modern Warfare 3 -TAQ EradicatorTAQ Eradicator
Modern Warfare 3 -KVD EnforcerKVD Enforcer Modern Warfare 3 -SidewinderSidewinder Modern Warfare 3 -TAQ EvolvereTAQ Evolvere
SOA Subverter Modern Warfare 3 -Kar98kKar98k Modern Warfare 3 -DTIR 30-06DTIR 30-06
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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