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How To Clean Your Glock


Clearing Your Glock

The first and most important thing to do before you start to clean your Glock Pistol is to make sure you unload the weapon with the proper procedure.


Clean Your Glock

Safe Direction

The first step is to point the weapon in a safe direction. Second is to remove the magazine by depressing the magazine release. Third, pull and lock the slide to the rear pushing the slide lock latch up to catch the slide. Last, you want to inspect the chamber for any live rounds.

Magazine Release

Magazine Release

Breakdown - Disassemble Your Glock

Once the clearing procedure is complete, it is time to Breakdown or Disassemble Your Glock Pistol.  You want to release the slide back into battery. With your firing hand pull the slide back slightly and with your non firing hand you want to put downward pressure on the slide take down release forward of the trigger guard. Pushing the slide forward it will release from the lower half of the pistol.

Breakdown Glock

After the slide is off the frame you want to remove the guide rode and spring. Holding the slide with the barrel pointing away from and slide facing up you slightly push the spring forward and up. After removing the Glock Spring and Glock Guide Rod Assembly we want to move on to the removing the Glock Barrel.

Breakdown Glock

After removing the Glock Guide Rod and spring you want to keep the slide in the same position for barrel removal. Pushing up from the bottom the barrel will go up and back, pull barrel towards you and remove.

Breakdown Glock

After removing the barrel you are done with basic Glock Disassembly. Now it’s time to get dirty and clean this weapon.

Cleaning Your Glock

Start with a solvent of your choosing. We are using Hoppe’s Number 9 and a Remington cleaning kit along with Otis’s all-purpose cleaning brushes.

Cleaning Your Glock - Cleaning Set

Once your Cleaning Kit is in order we can begin cleaning. First you want to put some solvent in to a bowl. This allows you to have clean and easy access to your solvent. We don’t want to re-dip into the solvent bottle contaminating future cleanings.

Cleaning Solvent in Bowl

The first thing you want to do is take one of the brushes, particularly the softest one. On the slide and the frame you want to brush one the solvent to allow the solvent to get into all the little crevasses that are on the pistol. Once that is done we are going to set those a side for a moment to allow the solvent to soak.

Clean Glock Slide

Cleaning Solvent in Bowl

Next we are going to do the same thing to the barrel and the guide rod and spring assembly. Take the barrel and run a patch soaked in solvent through it one time and let it sit. Next take the soft brush or the softest you may have at the time and generously brush the solvent on the guide rod and spring assembly.

Glock Slide Cleaning

Glock Slide Cleaning

Glock Spring Cleaning

While the barrel and guide rod spring assembly are soaking we are going to go back to the slide and frame. Take the medium brush or if you only have one it will work too and begin to scrub all the metal parts on the slide and the frame until you feel that it has removed most of the carbon and coper fowling. Once this is done take a clean cloth or rag and wipe down both the frame and slide. Repeat if necessary.

Glock Slide Cleaning

After you have wiped down the slide and the frame we want to inspect and see if we need to repeat the process of solvent. For any places that didn’t get cleaned repeat with good old fashion elbow grease with any brush of your choosing.

The last step in cleaning after you spent sometime on the above process is to clean the barrel. We want to use to items for this. You want to have a bore brush and a patch holder or pusher. Punch the barrel several time with the bore brush and solvent. Then run your clean patch one time per patch through the barrel until the patch comes out clean. You will have to repeat the bore brush multiple times depending on how dirty your barrel is. Once a patch comes out completely clean you have finished the barrel cleaning.

Glock Cleaning

Glock Cleaning

Once all the above is complete take the time to inspect your firearm while it is disassembled. Get to know the inner workings of the firearm and clean any places that you feel need cleaning. This is a basic 101 on disassembly and cleaning to keep your firearm working properly. After everything is wiped down and clean we want to apply some lubrication to your weapon. A good rule of thumb is, if it is a piece that moves and works a lot it will probably need some lubrication. For example, springs, hinges and metal on metal.

Glock Cleaning

Glock Cleaning

Reassemble Your Glock

Now that we have lubed up your Glock Pistol, its time to put it back together. Start by taking the slide in your hand with the internals facing up. Re-install the barrel by reversing the steps from disassembly. Next install the spring and guide rod assembly as shown below. After the slide is put back together we want to put it back on the frame.


To put the slide back on the frame we want to line the slots on the slide with the the frae as seen below. Once they are lined up you want to push the slide to the rear and lock the side with the slide latch. After it is locked depress the slide latch to release the slide and you are fully assembled.

Clean Glock Slide

Clean Glock Slide

This procedure can be used with:

  • - Glock GEN 3
  • - Glock GEN 4