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.
Increase your maximum Ammo by 6.
Increase your maximum Health by 150.
Regenerate 6 Ammo every 1s while using Hustle.
Gain 15% Lifesteal while using Iron Sights.
Heal for 300 per second while using Hustle.