How To Take A Glock 21 Apart?

ByBuffalo Rifles Blog

How to Take a Glock 21 Apart

The Glock 21 is a full-size, .45 ACP semi-automatic pistol that is popular with law enforcement and self-defense enthusiasts. It is a reliable and easy-to-use firearm, but it is important to know how to properly maintain it. One of the most important maintenance tasks is disassembling and cleaning the Glock 21. This process is relatively simple, but it is important to follow the proper steps to avoid damaging the firearm.

In this article, we will walk you through the process of disassembling and cleaning a Glock 21. We will provide step-by-step instructions and images to help you along the way. We will also discuss some of the common mistakes that people make when disassembling their Glock 21, so that you can avoid them.

By the end of this article, you will know how to properly disassemble and clean your Glock 21. This will help you keep your firearm in good working order and ensure that it is always ready to use when you need it.

Step Instructions Image
1 Ensure the Glock 21 is unloaded.
2 Depress the slide lock lever and pull the slide back and off of the frame.
3 Remove the recoil spring assembly by pulling it straight up out of the frame.
4 Remove the barrel by pulling it straight out of the slide.

How To Take A Glock 21 Apart?

Safety Precautions

Before you begin disassembling your Glock 21, it is important to take some safety precautions.

  • Make sure the gun is unloaded. Check the chamber and magazine to ensure that there are no rounds in the gun.
  • Clear the firing pin safety. The firing pin safety is a small lever located on the left side of the slide. To clear it, simply push it down with your finger.
  • Depress the trigger. This will release the striker spring and allow you to safely remove the slide from the frame.

Disassembly Steps

To disassemble your Glock 21, follow these steps:

1. Remove the magazine. Press the magazine release button located on the left side of the frame and pull the magazine out of the gun.
2. Lock the slide back. Pull back on the slide until it stops and then release it. The slide will lock back on the last round.
3. Press the disassembly lever. The disassembly lever is a small lever located on the left side of the frame, just below the slide stop. Press the lever down and the slide will come off the frame.
4. Remove the barrel. The barrel is held in place by a spring and two pins. To remove the barrel, depress the spring with your finger and then push out the pins. The barrel will come out of the slide.
5. Remove the recoil spring assembly. The recoil spring assembly is located at the bottom of the frame. To remove it, depress the spring with your finger and then push out the pin. The recoil spring assembly will come out of the frame.

Reassembly:

To reassemble your Glock 21, follow these steps in reverse order:

1. Insert the recoil spring assembly into the frame.
2. Insert the barrel into the slide.
3. Push in the two pins to secure the barrel.
4. Push up on the disassembly lever to release the slide.
5. Pull back on the slide until it stops and then release it. The slide will lock back on the last round.
6. Insert the magazine.

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Disassembling and reassembling your Glock 21 is a simple process that can be completed in a few minutes. By following these steps, you can ensure that your gun is properly maintained and that it is safe to use.

Additional Resources:

  • [Glock’s Official Disassembly Instructions](https://us.glock.com/en/learn/take-down-and-cleaning)
  • [The Complete Guide to Glock Disassembly](https://www.luckygunner.com/lounge/the-complete-guide-to-glock-disassembly/)

Disassembly Steps

1. Ensure that the Glock 21 is unloaded.
2. Remove the magazine by depressing the magazine release button and pulling the magazine out of the gun.
3. Depress the slide lock lever and pull the slide back until it is in the locked position.
4. Rotate the takedown lever 90 degrees clockwise.
5. While holding the slide back, pull the trigger to release the striker.
6. Move the slide forward and off of the frame.
7. Remove the recoil spring assembly by depressing the spring guide rod and pulling the assembly out of the barrel.
8. Remove the barrel by pulling it out of the slide.

Reassembly Steps

1. Insert the barrel into the slide.
2. Insert the recoil spring assembly into the barrel.
3. Move the slide forward until it is in contact with the barrel.
4. Rotate the takedown lever 90 degrees counterclockwise.
5. Press the slide lock lever down and release the slide.
6. Insert the magazine into the gun.

Troubleshooting

  • If the slide is not locking back after firing, the slide stop may be out of position. To fix this, remove the slide and slide stop from the gun. Inspect the slide stop to make sure that it is in the correct position. If it is not, bend the slide stop slightly until it is in the correct position.
  • If the slide is not moving smoothly, the recoil spring may be too weak. To fix this, replace the recoil spring with a stronger spring.
  • If the gun is not firing, the striker may be out of position. To fix this, remove the slide and striker from the gun. Inspect the striker to make sure that it is in the correct position. If it is not, bend the striker slightly until it is in the correct position.

Taking apart and reassembling a Glock 21 is a relatively simple process. By following these steps, you can safely and easily maintain your Glock 21.

How to Take a Glock 21 Apart?

1. Ensure the firearm is unloaded and safe to work on.

  • Remove the magazine and visually inspect the chamber to ensure that there is no round present.
  • Depress the slide lock and pull the slide back to visually inspect the barrel to ensure that there is no round present.
  • Hold the firearm with the muzzle pointed in a safe direction and pull the trigger to decock the hammer.

2. Remove the slide stop lever.

  • Use a small flat-head screwdriver or punch to depress the plunger on the slide stop lever.
  • While depressing the plunger, use your other hand to rotate the slide stop lever counterclockwise until it is released and can be removed from the slide.

3. Remove the slide.

  • Pull the slide back to the rearmost position.
  • While holding the slide back, use your other hand to push down on the rear of the trigger bar.
  • The slide can now be released and removed from the frame.

4. Remove the barrel and recoil spring assembly.

  • Align the notch in the barrel with the lug on the slide.
  • While pushing down on the barrel, use your other hand to rotate the barrel counterclockwise until it is released and can be removed from the slide.
  • The recoil spring assembly will come out with the barrel.

5. Reassemble the Glock 21.

  • Insert the barrel and recoil spring assembly into the slide.
  • Rotate the barrel clockwise until it is locked in place.
  • Insert the slide onto the frame.
  • Press down on the rear of the trigger bar and release the slide.
  • The slide stop lever will automatically engage.

Additional Tips:

  • When disassembling the Glock 21, it is important to keep the parts organized and in the correct order. This will help to prevent damage to the firearm and make it easier to reassemble.
  • If you are not comfortable disassembling the Glock 21, it is best to have a qualified gunsmith do it for you.
  • Always follow the manufacturer’s instructions when disassembling and cleaning your firearm.

    In this tutorial, we have discussed how to take a Glock 21 apart. We started by removing the magazine and clearing the chamber. Then, we removed the slide stop lever, the slide, and the barrel. Finally, we removed the recoil spring assembly and the trigger assembly.

We hope that this tutorial has been helpful. If you have any questions, please leave them in the comments below.

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