Just a little hint when it comes to aiming a Glock (or any other hand gun for that matter) and in my opinion, this is
QUITE IMPORTANT.
WHile at the gun shop, the
first time you handle each gun, pick a target across the room that you will aim at (doesn't have to be far away, even across the display counter at the wall of guns will work fine) then pick up the Glock (or whatever) and get a good, natural grip on it (but do
NOT point it and aim with it yet!).
BEFORE POINTING/AIMING THE GUN, CLOSE YOUR EYES, and THEN point the gun at the target with your eyes closed. Without moving, while still pointing it, open your eyes and look down the sights at where the gun is actually pointing. Obviously, you won't be on target (left or tright), but look to see if you are aiming much too high, or much to low (don't worry if you are aiming to the right or left of the target, just concern yourself with either being too high or low across the sights).
Try the above exercise 4 or 5 times in a row with each gun you are looking at BEFORE you aim it with your eyes open... First time you handle a new model, close eyes, point, then check your natural point of aim with it. You WILL find that your hand WILL naturally point different guns a bit higher or lower than others.
Glocks (for some people) seem to have a strange angled grip which causes them to naturally hold the gun at an angle which puts the point of aim naturally too high, or low. For comparison, a 1911 might not naturally cause this problem because it's grip angle is a bit different.
This isn't a deal breaker for purchase if the natural point of aim is a little high, or low, (because you can train at the range to help correct that) but if you consistently find that you are pointing that model gun 4 inches high every time you open your eyes, the grip on it may just not be a good match for your "natural grip" hand.
Try it. You'll see what I mean. For me, my glock 19 is right on target height every time. My SP-101 is always slightly low, and my LCP is alway too high... almost unacceptably high, but since it is a close quarters CCW, I've learned to compensate for it.
As I've mentioned, I'd love to replace my LCP with something in a 9mm without the DAO long, long, long trigger pull and unnatural grip "feel"... My own hunt continues.
PS. What ever you decide to buy, I highly recommend some sort of aiming laser (laser grips etc.) because they are great for developing a good sight picture while unloaded, unloaded, UNLOADED (don't forget to unload the gun)... Make sure it is UNLOADED and sitting in your living room when you can't get to the range. Pick a door knob (or the picture of Granny, or the wifes prize crystal vase or whatever) across the room that you WILL aim at, take aim, and push the laser button to see where you were actually aiming. It's like practice at the range but instead of "firing" a bullet, you are aiming and then "firing" a beam of light instead (this is NOT an alternative to actual range practice!!!). Don't do this practice on the cat though... the wife
will get ugly at you when she sees you putting the beam on tabby!
Did I forget to mention that you need to MAKE SURE to UNLOAD the gun before doing this laser "dry fire" exercise? UNLOAD THE GUN FIRST!!! REMOVE THE MAGAZINE AND, AND, AND CHECK THAT THE BORE IS EMPTY! (you think the wife will get testy if you just aim at the cat? You ain't seen nuthin' yet if you actually shoot tabby dead!)