Dude. I know YOU'RE born again badass, but are you crazy?
Yer 20 foot away! Frangible ammo works and delivers FULL kinetic energy
My thoughts, pre-planning, walking through many scenarios , training / experiences in my life .......
You have a panic driven herd of kiddies stampeded down a brick and tile kill zone that an active shooter has planned aka hallway ...... my goal is to go to knee or on my side using a corner as cover and and try and shoot at an upward angle to miss the innocent and hit the guilty only , versus be ricochet rabbits bastard child that had to shoot the hostage per se to get to the evil liberal killer.
Plan A ....