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The subject of this article appears in Call of Duty: Black Ops 4 The subject of this article appeared in Zombies mode The subject of this article appears in Blackout

"Full-auto assault rifle. Fastest fire rate in class with a larger ammo pool."
— In-game description

The Maddox RFB is a bullpup assault rifle featured in Call of Duty: Black Ops 4. The weapon currently has a MKII variant that players can buy with CODPoints as a part of the "Fall Firearms" bundle that also includes it's Mastercraft variant "$treet".






The Maddox RFB appears in the zombie maps Voyage of Despair, IX, Blood of the Dead, and Classified, where it's available as a weapon within the Mystery Box for 950 points, or as a wall weapon on all maps. When upgraded via Pack-a-Punch Machine, it becomes the Red Fiend Bull with the magazine size increased to 60 rounds and its ammo reserve increased to 480. It is unlocked for customization in the armory at level 13.