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 250.
Reduce the Cooldown of Frag Grenade by 2s for each enemy hit by it.
Increase your maximum Ammo by 6.
Reduce your weapon recoil by 40% while using Iron Sights.
Gain 15% Lifesteal while using Iron Sights.
Heal for 300 per second while using Hustle.