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.
Reduce the Cooldown of Frag Grenade by 5s for each enemy hit by it.
Increase your maximum Ammo by 2.
Regenerate 2 Ammo every 1s while using Hustle.
Reduce damage taken by 15% while using Hustle.
Gain 15% Lifesteal while using Iron Sights.
Heal for 300 per second while using Hustle.