Call of Duty Modern Warfare 3 (MW3)

How to Unlock Cornerstone Bipod Attachment

The Cornerstone Bipod 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 Cornerstone Bipod and find out all compatible guns for this attachment!

How to Unlock Cornerstone Bipod

Level Up Guns in MW3 Multiplayer Modes

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

Weapon Required Level
Modern Warfare 3 -MCPR-300MCPR-300 Raise the MCPR-300 to Level 19

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 Cornerstone Bipod attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the Cornerstone Bipod 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

Cornerstone Bipod 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 -M13BM13B
Modern Warfare 3 -Tempus RazorbackTempus Razorback Modern Warfare 3 -M13CM13C Modern Warfare 3 -TR-76 GeistTR-76 Geist
Modern Warfare 3 -Lachmann-556Lachmann-556 Modern Warfare 3 -Lockwood 300Lockwood 300 Modern Warfare 3 -KV BroadsideKV Broadside
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 -556 Icarus556 Icarus
Modern Warfare 3 -RAPP HRAPP H Modern Warfare 3 -EBR-14EBR-14 Modern Warfare 3 -SP-R 208SP-R 208
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 -SA-B 50SA-B 50 Modern Warfare 3 -Signal 50Signal 50
Modern Warfare 3 -MCPR-300MCPR-300 Modern Warfare 3 -LA-B 330LA-B 330 Modern Warfare 3 -SP-X 80SP-X 80
Modern Warfare 3 -Victus XMRVictus XMR Modern Warfare 3 -MCWMCW Modern Warfare 3 -Bas-BBas-B
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 -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 -XRK StalkerXRK Stalker Modern Warfare 3 -RAM-7RAM-7 Modern Warfare 3 -TAQ EvolvereTAQ Evolvere
Modern Warfare 3 -BP50BP50 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 Underbarrels to Equip in MW3

Best MW3 Underbarrels
This list is under construction!

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