Glock sight install question

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gofastman

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Maybe a silly one, but when installing the rear sight, how do you line it up? do you just get it close to where the old sight was? do you use a bore sight?
 
I would mark the old sight's location with something removable, like dry erase ink, whiteout or something, and then use that as a base for where the new sight should sit... and then go from there.
 
I center it by eye on the slide, then test fire and adjust from there. I usually go the the gun shop after a range session and use their universal sight adjusting tool to fine tune it if it's off.
 
I put a piece of masking tape on the slide and mark the position of the old sight's notch on it, then install the new sight so that it's notch aligns with the mark on the tape. Still, as PO2Hammer says: "...test fire and adjust from there."
Regards,
Greg
 
It only has to be "close enough." Eye ball it. Combat sights are not precise enough to notice a slightly off center rear sight.
 
You can rough center it, but you still need to shoot it and fine tune it once its installed.

A sight pusher really does make it much easier, as the tool allows for more precise adjustments, and if youre installing night sights, its a must have.

All my Glocks have the rear sight to the right side, where the edge of the sights base is even with the edge of the dovetail. Its not actually "'centered". If I center them, they all shoot to the left a good bit. You will notice if they are off, and even just a little bit.

Be aware, if youre removing the factory plastic rear sight, its probably going to be trashed when youre done. I've done two so far, and even when pushed out with a pusher, the plastic sight body was destroyed and the metal retainer had to be driven out with a punch.
 
I center sights on the slide using a dial caliper depth guage from each side.

Then fine-tune zero at the range as necessary by moving the rear sight as necessay.

rc
 
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