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.
Gain 25% Lifesteal while using Iron Sights.
Increase your maximum Health by 50.
Increase your Movement Speed by 10% while using Iron Sights.
Generate 28 Ammo after getting a Killing Blow or Elimination.
Increase your maximum Ammo by 8.
Increase the radius of Frag Grenade's explosion by 40%.