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AR15.COM
4/30/2008 1:49:22 PM EDT
My g17 is shooting to the left. I would like to make a minor adjustment, but dont have the glock sight tool. How difficult, or is it even possible, to adjust the rear sight with a punch? Thanks for your time.
4/30/2008 2:59:02 PM EDT
[#1]
I'm a LE firearms instructor and our dept issues G17's. Every Glock I've ever owned shoots left and we have to drift recruits' rear sights to the right for about 80% of them, so it s a very common thing with Glocks. If you put your slide in a big vise and are careful, you can do it with a brass punch if the rear sight is steel. If its a stock plastic one, you'll probably just smash it in. A rear sight tool is way easier. Dont even have to take the slide off the gun. Just lock the slide back and slip the tool over the rear sights. Very quick.  
4/30/2008 3:47:33 PM EDT
[#2]
just to be sure, i'm thinking that 99% of glocks come from the factory and shoot near POA, POI (abet, they may shoot a tad left or right, but more left due to the direaction the sights are drifted in originally)...a LOT of shooters (esp new shooters to glocks) tend to fire their glocks, and hit LEFT (tends to be low left, and pertains to righties)

the problem is w/ the shooter and trigger press/control, not the sights or the glocks

so, i'd suggest you make sure that its not how you are manipulating the trigger vs your sights that are off OP--bench rest/vice and shoot/sight in and see where your shots are landing

oh, std glocks rears move real easily--so easily, they can come off if dropped at the right angle; a punch and mallet can move em readily
4/30/2008 4:06:58 PM EDT
[#3]
Check out this chart,  it helped me and it was trigger finger placement that caused me to group to the left.