Call of Duty Modern Warfare 3 (MW3)

How to Unlock 5.56 NATO Low Grain Rounds Attachment

The 5.56 NATO Low Grain Rounds is a gun attachment found under the Ammunitions attachment category of Modern Warfare 3 (MW3). Check out our guide to learn how to unlock the 5.56 NATO Low Grain Rounds and find out all compatible guns for this attachment!

How to Unlock 5.56 NATO Low Grain Rounds

Level Up Guns in MW3 Multiplayer Modes

The 5.56 NATO Low Grain Rounds attachment can be unlocked by leveling up the following guns in MW3 multiplayer, Zombies, or Warzone:

Weapon Required Level
Modern Warfare 3 -MTZ-556MTZ-556 Raise the MTZ-556 to Level 13
Modern Warfare 3 -Holger 26Holger 26 Raise the Holger 26 to Level 5

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 5.56 NATO Low Grain Rounds attachment, early.

Once you unlock this feature, modify your chosen gun at the Gunsmith and select the 5.56 NATO Low Grain Rounds from the Ammunition 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

5.56 NATO Low Grain Rounds Compatible Guns

Guns That Can Use the Attachment
Modern Warfare 3 -M4M4 Modern Warfare 3 -TAQ-56TAQ-56 Modern Warfare 3 -STB 556STB 556
Modern Warfare 3 -HCR 56HCR 56 Modern Warfare 3 -556 Icarus556 Icarus Modern Warfare 3 -MCWMCW
Modern Warfare 3 -FR 5.56FR 5.56 Modern Warfare 3 -Bruen Mk9Bruen Mk9 Modern Warfare 3 -Holger 556Holger 556
Modern Warfare 3 -DG-56DG-56 Modern Warfare 3 -DM56DM56 Modern Warfare 3 -RAM-7RAM-7
Modern Warfare 3 -TAQ EvolvereTAQ Evolvere Modern Warfare 3 -BP50BP50

Modern Warfare 3 (MW3) Related Guides

Modern Warfare 3 - Attachments

List of All Attachments

Attachment Types in MW3

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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

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