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.
Generate 18 Ammo for each enemy hit with Frag Grenade.
Gain 20% Lifesteal while using Iron Sights.
Increase your maximum Health by 150.
Increase your Movement Speed by 20% while using Iron Sights.
Reduce damage taken by 9% while using Hustle.
Heal for 300 per second while using Hustle.