i got a chance to shoot my CSA 7.5" 5.56mm . i was quite impressed with it except for the loudness which made my fellow shooters scattering away .
my set up are , FAB galil side folding stock, aimpoint micro T-1 and ncstar mount which i bot from hical.ca .
the galil folder is one of my favorite folder , it is very comfy on the cheek and its the right LOP for me, also its at the right height for iron sight or scope combo use.
the mount , was inexpensive and yet , the quality is not bad , i was quite pleased with it. ncstar is light in weight, it is centered vertically. the mounts sits high enuff to clear the removal of the carrier also it doesnt hinder my view when im using the iron sight.
the ncstar uses 3 screws instead of a QR lever which does take some time to install it but its not a biggy to me since i had plans of leaving it on permanently . the 3 points contact ensures the mount is held in solidly.
please note , any mount for CSA rail will require you to remove the factory folder before installation , lucky for me the swivel ring on the galil is set deep enuff that i didnt have to remove it.
due to my aging eye sights , i dont shoot pass 50y. i was very please with the grouping below , i shot 40 rounds total with 2 stove pipes, i dont know if that was due to the mount being in the way, i sighted 20 at 25y and 20 at 50y , my best grouping at 50 was 2.5" , for me im super stoked that i can do that with such a short barrel. i shot with no brake. (ps, ignore the other rounds at the upper right cos some idiot was shooting my target) .