GLOCK 30 GEN 4 FOR DUMMIES

I'm unsure if there is much I can do to enhance on it but, if there is I would love some Suggestions from All those of you who've modified their pocket tanks. Besides evening sights which happens to be an noticeable upgrade from the normal glock sights. Thanks in advance.I am actually wanting to buy a Gen4 G29/30 body today to perform precisely tha