How to remove Glock front sight without tool?

One of the ways is to use a vice clamp.
Place the front of the gun into the vice clamp so that the barrel is sticking out and the front sight is sticking up.
Then use a hammer to hit the back of the vice clamp, which will push down on the front sight and remove it from the gun.

We can also watch a video on how to remove the Glock front sight

You can to use a hammer and brass punch.
1. First, remove the slide from the frame of the gun.
2. Next, place the front sight in a vise or clamp so that it is secured.
3. Then, use the hammer and brass punch to knock out the front sight.
Be careful not to damage the slide or barrel while doing this.

There are a few ways to remove a Glock front sight without a tool:
One way is to use a hammer and punch to try and knock the sight off.
Another way is to use a vise grip or locking pliers to clamp down on the sight and then twist it off.
A third way is to use a hacksaw blade or Dremel tool with a cutoff wheel to cut the sight off.
Whichever method you choose, be very careful not to damage the slide or barrel of the gun.
Several methods can be seen in the video