WHAT DOES HOW DO I BUY A GOCK 30 GEN 4 ONLINE MEAN?

I do pass up the remarkable feeling Gen4 grip and the slightly milder recoil on the thicker slide and barrel though the lighter bodyweight and come to feel with the G30S for me more than makes up for it...Probably a dumb question, but is definitely the 30s as solid as the other versions on the thirty with regard to loading with scorching .45ACP rou