HOW DO I BUY A GOCK 30 GEN 4 ONLINE THINGS TO KNOW BEFORE YOU BUY

I'm undecided when there is much I can do to further improve on it but, if there is I would love some ideas from All those of you who've modified their pocket tanks. Aside from night time sights that is an evident enhance in the common glock sights. Thanks beforehand.I is not going to comment on the forty five ACP vs the 9mm as it's got attained cu