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 40% Lifesteal for 3s.
Increase the maximum Ammo count of both your weapons by 4.
Reduce the Movement Speed penalty of Scope by 40%.
Reduce the time it takes to Quick Switch to your Pistol by 40%.
Your inactive weapon generates 2 Ammo every 2s.
Flare deals 250% base damage, has significantly increased Projectile Speed, and has its Cooldown reduced by 10s, but no longer Reveals enemies.