A Basic A-Z Guide On How To Disassemble A Glock

How to disassemble a glock

Having your own Glock does not mean that you know exactly how to disassemble a Glock correctly. If you have already researched and had one stunning piece for yourself, I bet you figure out there are several purposes of taking apart a particular Glock periodically. Whether you have a Glock 17 or a Glock 26 that needs to be taken care of, there is a basic instruction to comply. So, what are the step-by-step to dismantle your Glock pistol that you cannot miss? Follow me closely in the today article.

For a newbie, the simplest idea to remind about a Glock is “semiautomatic pistol”. Short recoil-operated, locked breech semi-automatic pistol with polymer-frame - the compact design of a Glock allows to carry it with you effortlessly. Glock “Safe Action” pistols were released for the first time in 1982 and served as reliable handguns for Austrian military and police service. Many Glock models are available with new improvements. However, the most popular model which are used and trusted by a major of Army organization until now is Glock 17.

What is a Glock?

Disassemble a Glock : Why is it so importan?

Before going into the main part, do you understand the key reasons behind disassembling a Glock? The action usually goes along with cleaning procedures. I often repeat the completed disassembly every 2000-2500 rounds for cleaning as I notice it is enough to get internal parts dirty. The fundamental purpose of the whole cleaning and maintaining process is to help your firearm operate smoothly and be ready whenever you need it. In fact, every time I go through takedown procedure, it’s a good chance to check the quality of each indicator and detect physical fault right on time.

For periodic maintenance, stripping your Glock and look into every component is a must-have process so that you can replace broken part before it actually can damage you. Basic tactics like replacing the recoil spring every 3000-4000 rounds or log the date & round count to prepare for the next replacement may help you to be aware of the maintenance cycle.

So, are you ready to go to the main part? Your occasional maintenance will much safer and easier if you understand how to disassemble the Glock in the right way. This basic disassembly guide can apply for almost all versions including the most favorite Glock 17 and Glock 19, 21, 22, 23, 26, 27, 30, 33.

Essential Steps How to Disassemble a Glock

Glock 17 is the first model but still hot as fire over the years. The number 17 relates to the mag capacity of 17 rounds in case you are curious. This time, I use the Glock 17 as the sample for the disassembly process. Generally, a Glock is pretty easy to disassemble compared to other handgun types. Follow the steps I list down here, and you can find your gun taken down in few minutes.

Unload the gun

Always start with taking apart the magazine tube. That will make sure your Glock unloaded.

I often start with pressing the magazine release button and remove the magazine. Then, check the chamber to make sure there is no round left. I recommend pointing the gun in a safe direction and keep your finger away from the trigger.

To double check, you can rack the slide a few times, lock it back and physically inspect the barrel with your finger to confirm there is no round. After all, I pull the trigger to finish this step.

Separate the upper and the lower part of the Glock

In this step, I put my stronger hand behind the frame and put the thumb of that hand in the groove. The other fingers should be at the position of wrapping the slide. The slide now can be pulled back for a few millimeters while I pull down the slide lock in both sides by the other hand. Keep holding the slide lock; at this point, I can release the slide simply and have two separated parts.

Disassemble the upper part of the Glock

The upper part includes the slide, the recoil spring & the barrel. I start with bringing the recoil spring out. Just make sure you aware of the pressure the recoil spring is under and how it connects to the barrel via a little semicircle. What you need to do is press in and lift out the recoil spring slowly.

Now, the barrel is clearly seen so I just need to push it forward and get it out. That’s how you get the slide, the recoil spring and the barrel to be disassembled.

That’s basically what I usually do before weekly cleaning. However, if you want to go into detailed stripping, I recommend you to take apart the firing pin and the extractor plunger inside the slide. Find yourself a professional tool or anything that help you to hold the firing pin spring. In my case, I use a Glock disassembly tool to pull the striker backward.

This way, I freely take the slide cover plate off and remove the firing pin, the pin spring, the extractor plunger as well as the extractor plunger spring.

On the side view of the slide, remove the extractor and get back to the inside to pull out the firing pin safety

Disassemble the lower part of the Glock

You should begin with removing three pins on the frame: the trigger housing pin, the trigger pin & the locking block pin. Once you finish, you can pull out the slide lock and the locking block.

The trigger mechanism housing & the trigger bar are the next things to be disassembled. I slowly move those components back and forward to finally get them removed. Then, I take the trigger bar apart carefully and remove the trigger spring which is used to connect the two parts.

Notice that there is a small piece of metal which is the connector on the trigger mechanism housing that you also need to disassemble. I use a flathead screwdriver to remove it from the trigger housing.

The final piece to take down is the slide stop lever in the slider. Basically push down the spring using the disassembly tool, the level can slide down without any force.


That’s all I want to share about how to disassemble a Glock pistol. Hope my sharing is helpful in your next cleaning schedule and do not forget to check all the spring frequently for replacing right on time.

Jim Johnson

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