Available to all players thanks to a new feature dubbed Carry Forward, you'll be able to acquire, use, and level 📉 the M4 in both Warzone and Modern Warfare 3 if you've acquired it previously in the last game.
It's also available 📉 to unlock for anyone who's entirely new to MW3 or Warzone.
In this guide, we'll be going through how to unlock 📉 the M4 in Warzone and Modern Warfare 3, what the best loadout and attachments are that you'll want to equip, 📉 as well as the best class build you can use to complement the use of the weapon.
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