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Call of Duty Wiki
The subject of this article appears in Call of Duty: Infinite Warfare

"SCAR's go-to air to air weapon of choice. The 30mm Gren is the most balanced aircraft-mounted gun the UN has to offer."
— In-game description.

The Gren 30mm is a Jackal-mounted weapon featured in Call of Duty: Infinite Warfare. The Gren is the default main gun on the Jackal. It deals moderate damage with an equally neutral fire rate.