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

I put a Tarran Tactical kit into a gen three g23 and It can be now super lite but I still couldn't hit everything with it. My Mate could shoot it really well but I struggled. Finally I modified the inventory sights into a Dawson Precision Fixed Opposition Sight Set and now I do pretty good with it.A variety of induce bars as well as the Gen four "d