GLOCK 30 GEN 4 THINGS TO KNOW BEFORE YOU BUY

I am unsure if there is Substantially I can do to enhance on it but, when there is I would really like some ideas from All those of you that have modified their pocket tanks. Besides evening sights which is an apparent up grade from the regular glock sights. Many thanks in advance.Different cause bars along with the Gen four "dot" connector are bui