If you're talking about the front sights, dab a bit of Locktite on the threads. Your girlfriend's (or yours, if you roll that way) nail polish will do in a pinch.
The rear sights are pressed in. You need this tool:
Its about $85 from www.glockworld.com
Disregard all of the following comments about using a screwdriver or punch-- that's how you put yourself on the list for a new slide and sights, after you've destroyed yours trying to be ghetto.
The rear sights are pressed in. You need this tool:

Its about $85 from www.glockworld.com
Disregard all of the following comments about using a screwdriver or punch-- that's how you put yourself on the list for a new slide and sights, after you've destroyed yours trying to be ghetto.