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Glock Rear Sight Adjustment Instructions

Adjusting the rear sight of your Glock handgun will allow you to correct the horizontal plane of your sight picture. You rear sight can be adjusted with a Glock rear sight adjusting tool. You must move your rear sight in the same direction that you want to move your point of impact. For example, if you're hitting your target left of where you are aiming, then you must move the rear sight to the right; likewise if you're hitting right of your target you must move the rear sight to the left.

Things You'll Need

Glock rear sight adjustment tool

Instructions

- 1
  Test fire your pistol and determine the correction that you wish to make. Plan to make slight adjustments; it may take you several attempts to fine tune your adjustment.
- 2
  Make sure that your pistol is unloaded and disassemble your Glock handgun. Separate the slide from the rest of the parts.
- 3
  Put the rear of your slide on the rear sight adjustment tool so the sight carrier is directly over the rear sight. Turn the drive screw as necessary to move the sight left or right.
- 4
  Remove the slide and reassemble your pistol. Test fire your pistol and make any necessary corrections.

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