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 Ammo by 10.
Generate 7 Ammo after getting a Killing Blow or Elimination.
Gain 5% Lifesteal while using Iron Sights.
Generate 18 Ammo for each enemy hit with Frag Grenade.
Reduce the Cooldown of Frag Grenade by 1s every 1s while Hustle is active.
Heal for 300 per second while using Hustle.