First, drift the rear sight with a brass punch to bring the shot group in vertical line with the bullseye. Then experiment with various loads and find the one that shoots closest to the bullseye in said vertical plane. Each load can shoot to a distinctly different point of aim, especially when different bullet weights are used. Try some 165gr loads and some 185s, 200s, and 230s. See which weight shoots closest to the bullseye.
I think you'll get good results with the lighter weights.
Or, replace the sights entirely with adjustables.
2-3" is not really very good at 7yds though. I would get some trigger work done to help out in that dep't.
I've seen how you shoot your Sig. Based on your groups that i've seen that you shoot with it, that spoon is your soulmate. You two belong together. Just like me and my P7.
