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.
Reduce your damage taken by 8% for 2s after hitting an enemy with Commander's Grab.
Heal for an additional 160 after activating Battle Shout.
Increase your maximum Ammo by 15.
Increase your Healing received by 12% while your Bulwark is active.
Increase your maximum Health by 750.
Targets hit by Commander's Grab are Stunned for an additional 1.4s.