I have not heard much about it before, and never seen one at a gun shop. By the looks of it, the trigger looks like M&P and that awful S&W "dead trigger"
SHTF vs TEOTWAWKI you ask? SHTF, just some crap on the ceiling and walls, TEOTWAWKI end of the world as we know it. Orignally made by 9mm/®™©