OP, read this. This is a decade of experimentation that came to writing this, in the first place. That goes back to 2010 - before shiit got crazy with the Large Frame ARs.
The craziness that developed, about the 2010 timeframe, is why this board was even developed in the first place - too much bad information out there, and nothing making any sense. This is a decade of research, and gun builds, to both prove points, and prove other points WRONG... It stands on it's own, and can't be refuted.
In my own life, and own world, I'm still waiting for someone to counter this information, and prove any of it wrong. It's been a long process, and no takers on that.