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.
Increase your maximum Ammo by 4.
Reduce the Cooldown of Frag Grenade by 2s for each enemy hit by it.
Reduce the cook time of Frag Grenade by 30%.
Gain 20% Lifesteal while using Iron Sights.
Heal for 300 per second while using Hustle.