The subject of this article appears in Call of Duty: Modern Warfare (2019) The subject of this article appears in Call of Duty: Warzone

"Heavy duty monolithic core increases muzzle velocity while maintaining a low sound signature."
— In-game description

The Tempus Cyclone is a barrel attachment featured in Call of Duty: Modern Warfare and Call of Duty: Warzone. It is uniquely available to the M13 assault rifle.

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