This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Gain 25% Lifesteal while using Iron Sights.
Increase your maximum Health by 250.
Reduce the Cooldown of Frag Grenade by 2s for each enemy hit by it.
Increase your Movement Speed by 10% while using Iron Sights.
Reduce your weapon recoil by 40% while using Iron Sights.
Heal for 300 per second while using Hustle.