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 10% Lifesteal for 3s.
Your inactive weapon generates 10 Ammo every 2s.
Increase the maximum Ammo count of both your weapons by 5.
Increase your maximum Health by 100.
Reduce the time it takes to Quick Switch to your Pistol by 20%.
Flare deals 250% base damage, has significantly increased Projectile Speed, and has its Cooldown reduced by 10s, but no longer Reveals enemies.