A while back I put a Dawson adjustable sight set on my 1911 (as in I did so, no "Professionals" involved). after adjusting for elevation, the rear sight looks a little high to me... Best pic I could manage tonight using the camera in my phone. So am I right in that this is an abnormally high adjustment to zero the gun? or is this actually normal for this sight style? And if it is too high, what corrective action to take? (shorter front sight right?) as always, thanks in advance for any info or advise.