Call of Duty Modern Warfare 3 (MW3)

How to Unlock Merc Foregrip Attachment

The Merc Foregrip 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 Merc Foregrip and find out all compatible guns for this attachment!

How to Unlock Merc Foregrip

Level Up Guns in MW3 Multiplayer Modes

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

Weapon Required Level
Modern Warfare 3 -TAQ-VTAQ-V Raise the TAQ-V to Level 6
Modern Warfare 3 -Holger 556Holger 556 Raise the Holger 556 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 Merc Foregrip attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the Merc Foregrip 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

Merc Foregrip 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 -ISO 9mmISO 9mm
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 -LM-SLM-S 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 -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 -STG44STG44 Modern Warfare 3 -Static-HVStatic-HV
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 Underbarrels to Equip in MW3

Best MW3 Underbarrels
This list is under construction!

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