The 21" EXF Rhino is a weapon attachment featured in Call of Duty: Modern Warfare 3 (2023), Modern Warfare 2 (2022), and Call of Duty: Warzone.

It is one of the Barrel attachments available in MW3 and MW2.

The 21" EXF Rhino is a Weapons Platform Specific Attachment, which means it is only usable within its specific Weapons Platform.

  • Pros Recoil ControlBullet Velocity
  • Cons Aim Down Sight SpeedMovement Speed
21" EXF Rhino
This heavy Expedite Firearms barrel reduces recoil and increases bullet velocity for operators who want to stay on target with every shot.

21" EXF Rhino Info

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  • How to Unlock the 21" EXF Rhino in MW3, MW2, and Warzone:

    Here's how to unlock the 21" EXF Rhino attachments in COD Modern Warfare 3, Modern Warfare 2, and COD Warzone 2: Get the RAAL MG to Level 9.

    Weapon Blueprints That Equip 21" EXF Rhino:

    Here you can find the list of Weapon Blueprints that include the 21" EXF Rhino attachment in COD Modern Warfare 3, COD Modern Warfare 2, and COD Warzone:

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