I do skip the excellent emotion Gen4 grip and the slightly milder recoil with the thicker slide and barrel nevertheless the lighter excess weight and sense with the G30S for me much more than would make up for it... Of course there is certainly the KKM 10mm conversion barrel and https://glock-30-gen-404260.ziblogs.com/32947231/detailed-notes-on-glock-30-gen-4