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.
Increase your maximum Health by 200.
Reduce the time it takes to bring up Iron Sights by 30%.
Increase your maximum Ammo by 10.
Increase your Movement Speed by 20% while using Iron Sights.
Gain 10% Lifesteal while using Iron Sights.
Heal for 300 per second while using Hustle.