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.
Swapping to your Pistol grants 30% Lifesteal for 3s.
Heal for 300 after entering Stealth at or below 65% Health.
Increase your maximum Health by 150.
Reduce the recoil of your Pistol by 18%.
Reduce the Movement Speed penalty of Scope by 60%.
Flare deals 250% base damage, has significantly increased Projectile Speed, and has its Cooldown reduced by 10s, but no longer Reveals enemies.