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

"Custom 19 inch M16A4 style barrel increases muzzle velocity and extends range. Additional weight stabilizes shots, but hinders mobility."
— In-game description

The Corvus Custom Marksman is a barrel attachment featured in Call of Duty: Modern Warfare and Call of Duty: Warzone. It is uniquely available to the M4A1 assault rifle.

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