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 16% for 2s after hitting an enemy with Commander's Grab.
Heal for an additional 400 after activating Battle Shout.
Increase your maximum Ammo by 3.
Increase your maximum Health by 600.
Your Shield now regenerates at 120% effectiveness, and regenerates even while it is active.