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

I'm unsure when there is Significantly I can perform to further improve on it but, when there is I would like some Concepts from All those of you who've modified their pocket tanks. Aside from evening sights which is an apparent upgrade from your typical glock sights. Many thanks beforehand.Is one particular a tad a lot more reliable? Does 1 tend t