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

"Designed to improve mobility, this compact barrel sacrifices accuracy and range for speed and agility."
— In-game description

The M91 Infantry is a barrel attachment featured in Call of Duty: Modern Warfare and Call of Duty: Warzone. It is uniquely available to the M91 light machine gun.

Community content is available under CC-BY-SA unless otherwise noted.