The optic on the gun looks like it made by shield which is an English company. The shield optics mount low enough that standard sights can be used. I have heard mixed reviews about how robust they are.YMMV
yes it is s shield mini sight, the same one they shipped on the Performance Center 9L's. I have 2 of them, a 4moa and an 8moa. they are pretty good sights,
for a conceal carry gun they make sense, they are always on , the battery life if very good, the auto adjust is very good,the window is a good size picking
up the dot is easy with these, and they hold zero well.
the negatives I have about them:
the glass/plastic scratches very easily (both of mine are scratched to shit but I don't notice it while shooing), some of them don't have enough range
in elevation adjustment (I've had to use shims on mine , many others have as well , you can search it online)
and you need to be careful when making adjustments, over tightening can kill the dot (ask me how I know)
If I could get one of these new shields without the ported barrel and milled for the optic but without the optic included , I would grab one in a heart beat
I mean .....why not , I carry a shield 1.0 now , and I love using optics.