Switch your rifle to Three-Shot-Burst mode, increasing your effective range and firing three 200-damage shots every 0.4s.
Reduce the Cooldown of Frag Grenade by 1-5s for each enemy hit by it.
Gain 5-25% Lifesteal while using Iron Sights.
Reduce your weapon recoil by 20-100% while using Iron Sights.
Increase your maximum Health by 50-250.
Increase your Movement Speed during Hustle by 10-50% for 1.5s after activating it.