RUMORED BUZZ ON HOW DO I BUY A GOCK 30 GEN 4 ONLINE

I am undecided when there is much I can do to boost on it but, when there is I would love some ideas from All those of you who may have modified their pocket tanks. Aside from night sights that is an apparent up grade through the typical glock sights. Many thanks in advance.I am basically looking to buy a Gen4 G29/thirty body at the moment to compl