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 15% Lifesteal while using Iron Sights.
Reduce damage taken by 9% while using Hustle.
Reduce the Cooldown of Frag Grenade by 3s for each enemy hit by it.
Increase your maximum Ammo by 6.
Increase your maximum Health by 150.
Heal for 300 per second while using Hustle.