I can only tell you my horror story.
HAD a SA Champion that woulf FTF/FTE. When it did eject it smacked me straight in the forehead.

I had a local gunsmith work it over, changed mag springs and mags and still had occasional problems with it FTF and sometimes FTE. After
5 trips back and forth to SA for repair, yep they added the stupid GR to it, it ran with ball but still occasionally would not feed HP's I had lost all confidence in it's reliability. Sold it for a loss not counting the 1000+k rds. of ammo I wasted breaking it in.
I personally would not own one again. I spoke with Mr. Wolff from Wolff springs and he stated the chopped .45's were prone to problems due to the increased slide velocity and EVERYTHING being in time. My 19 year old SA Standard feeds everything and has never been a problem except when shooting over a hundred LSWC's and the bullets hanging up on the feed ramp from the lead build up.
I know there are great ones out there but the extra inch does not make enough of a difference for carry, concealment or firing for me to ever buy another chopped 1911 from any maker.
It (the 5") was my carry gun for 19 years and I got a great deal on an H&K P7 PSP that is the most accurate, fastest firing pistol I've ever had the pleasure of carrying. Ammo costs were also drove part of my decision to swap out platforms. The old 5" 1911 is now my bedside weapon, which I have total faith in.
JMHO