Did you not read my post aswell?
I believe I notice it on the Glock, where you put 15 in the magazine the slide raises up due to the force of the magazine
Meaning the slide-frame ratio, magazine overload it pushes up on it[slide] and comes up off frame more.
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/®™©