Call of Duty Modern Warfare 3 (MW3)

How to Unlock Hex-40 Grip Attachment

The Hex-40 Grip is a gun attachment found under the Underbarrels attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the Hex-40 Grip and find out all compatible guns for this attachment!

How to Unlock Hex-40 Grip

Level Up Guns in MW3 Multiplayer Modes

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

Weapon Required Level
Modern Warfare 3 -ISO HemlockISO Hemlock Raise the ISO Hemlock to Level 9

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 Hex-40 Grip attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the Hex-40 Grip from the Underbarrel 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

Hex-40 Grip Compatible Guns

Guns That Can Use the Attachment
Modern Warfare 3 -X13 AutoX13 Auto Modern Warfare 3 -VEL 46VEL 46 Modern Warfare 3 -Lachmann SubLachmann Sub
Modern Warfare 3 -FSS HurricaneFSS Hurricane Modern Warfare 3 -PDSW 528PDSW 528 Modern Warfare 3 -Fennec 45Fennec 45
Modern Warfare 3 -ISO 45ISO 45 Modern Warfare 3 -Lachmann ShroudLachmann Shroud 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 -Lockwood 300Lockwood 300
Modern Warfare 3 -Expedite 12Expedite 12 Modern Warfare 3 -Bryson 890Bryson 890 Modern Warfare 3 -Bryson 800Bryson 800
Modern Warfare 3 -KV BroadsideKV Broadside Modern Warfare 3 -MX GuardianMX Guardian 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 -RPKRPK
Modern Warfare 3 -RAPP HRAPP H Modern Warfare 3 -EBR-14EBR-14 Modern Warfare 3 -Lockwood Mk2Lockwood Mk2
Modern Warfare 3 -TAQ-MTAQ-M Modern Warfare 3 -Tempus TorrentTempus Torrent Modern Warfare 3 -CrossbowCrossbow
Modern Warfare 3 -Signal 50Signal 50 Modern Warfare 3 -MCWMCW Modern Warfare 3 -MTZ-762MTZ-762
Modern Warfare 3 -KV InhibitorKV Inhibitor Modern Warfare 3 -LongbowLongbow Modern Warfare 3 -Holger 26Holger 26
Modern Warfare 3 -RiveterRiveter Modern Warfare 3 -Bas-PBas-P 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 -WSP SwarmWSP Swarm Modern Warfare 3 -DG-56DG-56
Modern Warfare 3 -SidewinderSidewinder Modern Warfare 3 -WSP-9WSP-9 Modern Warfare 3 -HaymakerHaymaker
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 -HRM-9HRM-9 Modern Warfare 3 -TAQ EvolvereTAQ Evolvere
Modern Warfare 3 -BP50BP50 Modern Warfare 3 -RAM-9RAM-9 SOA Subverter
Modern Warfare 3 -MORSMORS Modern Warfare 3 -FJX HorusFJX Horus Modern Warfare 3 -Superi 46Superi 46
Modern Warfare 3 -Static-HVStatic-HV 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 Underbarrels to Equip in MW3

Best MW3 Underbarrels
This list is under construction!

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