The first part of this statement is true, the second is not. You need to famiiiarize yourself with the castle doctrine laws of your state. They are all different. Your automobile is viewed as an extension of your home. In most states, it is legal to carry a loaded weapon in your vehicle, w/o a CCW permit. Not sure how much you travel to the west, but Illinois doesn't allow concealed carry by anybody, and if you travel through there with your gun, you need to look up "peaceable journey", and follow those instructions to a T. I'm surprised you don't have to take any type of class to get your CCW permit in Indiana. To get a permit in Missouri, you have to take an 8 hour class and prove yourself with a firearm at a distance of 7 yards. Not hard, but required. You outta do yourself a favor and take a class anyway, just to educate yourself on all of the legalities involved, and also to practice so you are comfortable with it. Not something you wanna be wrong on.
There are many, many law enforcement agencies that issue Glocks as their duty weapons. I'm pretty sure they wouldn't be using them if they were unreliable. I have a Glock 23, and its gone boom everytime I've pulled the trigger. UGA, if you pass on that 27, I might be interested if its at a favorable price. Been looking for something a little smaller.