Hey all, So I picked up a Gen 4 Glock 19 today and haven't yet had the chanceto fire it. I liked the ergonomics better than I do the Gen 3 Glock and decided to pick it up. my understanding is that there were some significant problems with the older Gen 4 9mm Glocks. My question is, do the new Gen 4 Glocks have the same problems? The date on the envelope with the spent casing in it says that it was test fired just over a month ago, so it's a very new gun. Thanks for any help!!!