I do skip the outstanding feeling Gen4 grip and the slightly milder recoil of the thicker slide and barrel but the lighter fat and really feel with the G30S for me greater than can make up for it... That's according to operator-described troubles in the earlier G30SF products with 4256-1 https://checkbookmarks.com/story4437599/rumored-buzz-on-how-do-i-buy-a-gock-30-gen-4-online