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- "Firing blowback system shoots each other bullet at an increased fire rate."
- — Create-A-Class description.
The Echo Fire is an Operator Mod featured in Call of Duty: Black Ops 4. It is only available for the Maddox RFB and allows for every second shot to be fired at an increased fire rate.
Echo Fire equipped on the Maddox RFB in First-Person.
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Echo Fire shown equipped on the Maddox RFB in the customization.