Call of Duty Modern Warfare 3 (MW3)

How to Unlock 20 Round Drum Attachment

The 20 Round Drum is a gun attachment found under the Magazines attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the 20 Round Drum and find out all compatible guns for this attachment!

How to Unlock 20 Round Drum

Level Up Guns in MW3 Multiplayer Modes

The 20 Round Drum attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:

Weapon Required Level
Modern Warfare 3 -HaymakerHaymaker Raise the Haymaker to Level 22

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 20 Round Drum attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the 20 Round Drum from the Magazine 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

20 Round Drum Compatible Guns

Guns That Can Use the Attachment
Modern Warfare 3 -HaymakerHaymaker

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

All Magazine Attachments in MW3

All Related Attachments
10 Round Mag 100 Round 556 Belt 100 Round Belt Mag
100 Round Box Mag 100 Round Drum 100 Round Mag
12 Round Mag 12 Shell Mag 125 Round Belt Mag
13 Round Mag 15 Round Mag 15 Round Magazine
150 Round Belt 150 Round Drum 150 Round Mag
150-Round Box Magazine 18 Round Mag 20 Round Drum
20 Round Mag 20 Round Magazine 200 Round 556 Belt
200 Round Belt 200 Round Belt Mag 24 Round Mag
25 Round Mag 25 Shell Drum 26 Round Mag
30 Round Drum 30 Round Mag 32 Round Mag
33 Round Mag 40 Round Drum 40 Round Mag
42 Round Mag 45 Round Mag 48 Round Mag
5 Round Mag 5 Round Magazine 5 Shell Mag
50 Round 762 Belt 50 Round Belt Mag 50 Round Drum
50 Round Mag 60 Round Drum 60 Round Mag
7 Round Mag 7 Round Magazine 7.62x51 30 Round Mag
72 Round Drum 75 Round Belt 8-Round Magazine
9 Round Mag Fennec Double Tap Mod Fennec Mag 45
Geist Single-Tap Mod Minibak Grip Mag MX Pro Mag
Single Tap Mod Stinger 25 Round Magazine

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