Going past your normal monthly inspection, and your post range-visit cleaning, there is the full frame strip to get that good old-fashioned deep cleaning. This isn't for everyone, but it can prove beneficial.
First, any attempt to go beyond field stripping your Glock is done at your risk. These steps are provided for information purposes only. If at any point you are uncomfortable with any of the steps, consult your local gunsmith or Glock Armorer.
Always handle firearms in a safe manner, and begin with an unloaded weapon, free of magazine and with an empty chamber. Remember, no brass or ammo should be in the room while cleaning or servicing a firearm.
What you will need:
- Glock Armorers tool OR 2mm Pin Punch
- Roll of electrical or duct tape
- Your Glock
Ensure your Glock is Unloaded
Fieldstrip the Glock (remove the magazine and slide) as per the detailed instructions in your owner's manual.
One you've field stripped the Glock, set aside the slide, and place the frame, left side up on the roll of tape. Position the pins over the hole in the cardboard tube in the center of the tape. This will serve to capture the pins as you push them out of the frame.
You will need to push out the pins in a specific order (see picture). Start with the Locking Block Pin (on 3 pin model Glocks, this is the top pin), then the Trigger pin (right below the 1st pin you removed), and finally the trigger housing pin (located at the rear of the grip near the backstrap).
Push these out left to right.
If the trigger pin seems like it's stuck do not use a hammer. Jiggle the slide stop lever up and down whilst applying pressure to the pin and the trigger pin will push out.
With the pins out, you can now pry up the locking block using your armorer's tool or punch. You can also slide out the Slide Stop Lever.
Once you remove the locking block and slide stop lever, you can lift out the entire trigger assembly.
To re-assemble, reverse the process.
Re-insert the trigger assembly by putting the trigger into the trigger guard and by dropping the trigger mechanism housing assembly back into the grip. Re-insert the trigger housing pin from right to left. Use the tool/punch to push the pin flush with the frame.
Re-insert the locking block.
Re-insert trigger pin from right to left.
Use the tool to push the pin in until you feel it seat.
Re-insert the slide stop lever on the far left of the frame. You will see a slot that this will fit into. You will want to insert the pin from right to left. You will notice the pin has 2 grooves. If you insert from left to right, you will have to overcome the friction of both grooves to get the pin seated. As you insert the pin from right to left, take note of the slide stop lever's spring. This spring needs to go beneath the pin as the pin slides through.
Test that the slide lock lever moves up and down freely. Test your trigger function. If the re-assembly passes these tests, re-install your slide and function test again.
Again, this is for information purposes only. A certified Glock armorer or gunsmith should do all work on your Glock pistol.
-Dave Chang (dwcfastrice) is an NRA certified firearms instructor and the CEO of Civilian Defense Concepts, LLC (web) (Facebook)