Tune Up

Tune Up is a Tier 3 perk featured in Call of Duty: Modern Warfare

Call of Duty: Modern Warfare

Tune Up
Category	Tier 3 Perk
Unlocked at	At Start

"Reduce the charge time of field upgrades by 40%."

— Multiplayer Create-A-Class description

"Reduce revive time by 25%."

— Warzone Create-A-Class description

Tune Up increases the rate at which Field Upgrades are earned by 40%.

In Call of Duty: Warzone, it reduces revive time by 25%.