Glock Adjustable Rear Sight Instructions – How to Adjust Glock Sights

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Ever since the Glock 17 guns hit the market, they’ve been prevalent for many good reasons. Their quality, reliability, and durability are almost unmatched.

The Glocks may not be the prettiest pistols in our world, but they are always a solid choice for numerous shooters.

Few shooters think about adjusting the point of aim of their guns. Instead, they are usually satisfied with the adjustments available from the factory. But like a rifle, adjusting the sight on your weapon will give you better accuracy.

With that in mind, “how to adjust Glock sights ?”

The Glock’s sight can be more challenging to adjust and require a few special tools.

But we will make it simple in 4 easy steps.

How to Adjust Glock Sights?

Glock Adjustable Rear Sight Instruction Infographic
Glock Adjustable Rear Sight Instruction Infographic

Many latest models are equipped with adjustable models, making sighting these weapons much easier and quicker. Adjusting these sights will require a tiny screwdriver to get the job done.

You can adjust the point of aim for elevation and windage. So competitive target people prefer this style as it gives them a more precise adjustment.

Sighting in your Glock will probably be the same as in rifles that feature iron sights. So it’s wise to utilize a high-quality pistol for this project. It will the adjustments be the most accurate.

Step 1: Safely Is a Top Priority

It is essential to make sure your gun is in a safe state before making any adjustments. It includes clearing your gun, getting rid of its magazine, and checking out its chamber. Also, always wear goggles when working with your pistol.

On the other hand, local rules may vary for pistol adjustments at some firing ranges. Some ranges, including indoor ranges, ban the maintenance of pistols on the firing line in any form. So, you’ll need to be familiar with these rules.

Step 2: Secure the Pistol in Your Gun Sled

Before sighting the Glock pistol, it was wise to utilize a sled to secure it. It will allow you to ensure that any test shots you are about to take will be accurate and repeatable.

Once your pistol gun is securely fixed in a gun sled, aim it at your target’s center before firing three or more test shots. You can easily adjust the pistol sights through the impact points you get by these shots.

Step 3: Make Adjustments for Windage

You’ll start by adjusting your Glock’s windage. You will find adjustment screws on the right side of the sight from the rear, while the lower screw used to adjust the windage will be seen towards the front of your gun sight.

If you want to turn your sights to the right, you must turn the screw clockwise. Then, and vice versa, rotate it counterclockwise to drive the point of aim to the left.

You won’t want to turn these screws too far or too much. Remember that making one change to sights, however small, can dramatically change the distance in your aiming point.

Therefore, work carefully and slowly move the sight to the right or left before doing some shot tests to check the result.

Step 4: Make Adjustments for Elevation

After making adjustments to your Glock for windage, then doing some test sessions centered left to right on your target, it is time to tailor the elevation.

The rearmost screw, located on the side of your pistol sight, is used to adjust to the elevation.

You should adjust the elevation slowly and alternate between adjustments with the shot tests. Slowly tweak the pistol until your test shots are on target.

As mentioned above, minor adjustments can lead to significant changes in results in shots. Therefore, you will need to do this carefully.

The screw for elevation adjustment is the eccentric screw, and you will need to turn it slightly to make corrections.

Is It Necessary To Alter Sights on Glock Pistols? 

Is It Necessary To Alter Sights on Glock Pistols
It is essential to have the correct shoot

The main key to any shooting activity is to put bullets on your target consistently. If you cannot hit your targets, you are not shooting. Instead, all things you get are meaningless noises.

Therefore, shooters are always trying to improve their abilities and techniques to aim as accurately as possible. And making adjustments for Glock sights should be part of that.

Adjusting your gun sights is the main factor in achieving your goal. If your weapon sights aren’t properly Adjusted, don’t expect to get accurate shots.

One critical thing that allows you to be a great marksman is understanding your weapon, including how it works, properly maintaining it, and adjusting it.

What Kinds of Sight are Equipped on Glocks? 

What Kinds of Sight are Equipped on Glocks
Most Glocks feature the adjusted sight manually

Glocks come with various sight options. Generally, most models feature the adjusted sight manually.

Some later Glocks are equipped with the adjustable sight. In addition, some gun dealers and retailers have established the aftermarket ones on their Glock pistols as one of the special packages.

It is easy to decide what type of sight is equipped with your Glock by checking its rear sight.

Manually Adjusted Sight

Most Glocks available in the market come with a manually adjusted rear sight, U-shaped, and slide into a dovetail. Unfortunately, it won’t let you alter for elevation.

The fact is that the sole adjustment you can make is changing the windage, and you can do that by drifting your sight right or left in a dovetail.

You will need to have enough skill to avoid damage to your gun slide or sight. Besides, you may also need to use some special tools to get the job done.

Adjustable Rear Sights

Many Glock models come with adjustable rear sight from the factory, which is straightforward for you to recognize.

They feature two screws on their sight assembly, and you can turn these screws to tweak your rear sight for elevation and windage adjustments. For these Glocks, it is okay to utilize a tiny screwdriver to tweak.

Aftermarket Glock Sight

Many gun dealers and retailers have equipped aftermarket sights to their Glocks as one of the sales incentives, and night ones are a prevalent pick for those changes.

Trijicon night models are packaged with tritium inserts, giving you clearer vision in low-light environments. In addition, the front sight is removed to give these pistols a new sight set in many cases


1. How To Manually Adjusting Glock Sights ?

Manually adjusting a Glock pistol sight can be a daunting task. It can even be more difficult if you don’t have the suitable tools. But, generally, you can make your pistol sight adjustments manually in some ways.

  • Using a Punch And Hammer
  • Using a Glock Sight Tool
  • Take your pistol to a gunsmith

2. How Can I adjust the Rear Sight?

Generally, it would help if you moved the sight on a Glock in the direction you need to correct. For example, if your weapon is grouping to the left of your target, moving your rear sight to the right is necessary. It will bring your target to the right.

Remember, adjustments to your rear sight, however small, can make a significant difference to the impact point. Therefore, we recommend slowly doing it to make minor tweaks between test shots.

By doing so, you will bring your weapon back to your target soon.

The Bottom Line

Once you get the point of aim precisely adjusted, you can start practice sessions to improve your pistol shooting accuracy.

Your confidence will significantly increase when you can rest assured that your pistol will place the bullet exactly where you aim it. In addition, by combining proper and correct techniques, your results will be much more accurate and consistent.

Thank you for reading! Happy training!

Last Updated on October 28, 2023 by

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