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

"Lightweight shroud and large bore barrel reduce weight for improved handling at the cost of muzzle velocity."
— In-game description

The FSS Light is a barrel attachment featured in Call of Duty: Modern Warfare and Call of Duty: Warzone. It is uniquely available to the MP5 submachine gun.