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 Health by 250.
Increase your maximum Ammo by 10.
Reduce the Cooldown of Frag Grenade by 2s for each enemy hit by it.
Gain 5% Lifesteal while using Iron Sights.
Increase your Movement Speed by 20% while using Iron Sights.
Increase the radius of Frag Grenade's explosion by 40%.