How to Disassemble and Reassemble a Glock 29 – Full Step-by-Step Breakdown

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Looking to disassemble and reassemble a Glock 29 from top to bottom? This full step-by-step guide walks you through every part—frame, slide, and magazine—so you can deep clean, inspect, or rebuild your Glock 29 with confidence.

At a Glance:

This is a complete step-by-step Glock 29 teardown and rebuild. We break down the slide, frame, and magazine—pin by pin, spring by spring—so you can inspect, clean, and reassemble your 10mm Glock the right way. Works for most Gen 3/4 Glocks.

💪 Need a teardown for something beefier? Check out our Glock 29 disassembly and reassembly guide—same steps, bigger boom.

Tools Used in This Teardown:

• Aegis Gun Care products → trb.fyi/boomlube (code: boomlube saves 10%)
• Fix It Sticks Glock Tool Kit → trb.fyi/glockboomsticks
• Real Avid Glock Sight Pusher → trb.fyi/glocksightpusher

🔁 Working on a different Glock model? Check out our Glock 43 disassembly and reassembly guide—it follows the same teardown pattern and toolset with a few minor differences.

Quick Overview – How to Disassemble and Reassemble a Glock 29

• Works for most Gen 3/4 Glocks, not just the 29
• 3/32″ punch handles most parts
• Needle-nose pliers for mag spring, channel liner tool for slide
• Special tools required for sights
• Slide includes full teardown: striker, cups, spring, extractor plunger, channel liner, safety plunger, sights
• Frame includes full teardown: slide lock, spring, mag catch, connector, trigger parts
• Magazine fully disassembled
• Function check confirms proper rebuild

Why Disassemble and Reassemble a Glock 29 Completely?

I’ve torn down dozens of Glocks over the years as a gunsmith—and if there’s one thing I’ve learned, it’s this: 10mm runs hot and hard.

Full disassembly isn’t just about cleaning—it’s about spotting cracked springs, worn cups, or gunked-up strikers that compromise function. You don’t know what you don’t know until you strip it bare.

👉 Need repair help after you disassemble and reassemble a Glock 29? Check out the Glock Troubleshooting Guide for quick fixes and part checks.

What Tools Do You Need for a Glock 29 Teardown?

• Glock Armorer’s Tool or 3/32″ punch
• Needle-nose pliers
• Channel liner tool and install rod
• Glock front sight tool or hex nut driver
• Rear sight pusher
• Flathead screwdriver
• Tray or towel for parts

How to Disassemble the Glock 29 Slide

1. Field Strip
   • Remove the mag and check the chamber.
   • Pull trigger.
   • Retract slide slightly, pull down slide lock, and remove slide.
   • Take out barrel and recoil spring.
2. Slide Cover Plate
   • With slide bottom-up, push striker spacer sleeve forward with punch.
   • Slide cover plate off slowly—keep thumb over it.
3. Remove Striker Assembly
   • Let it slide back and lift it out.
4. Disassemble Striker
   • Grip spring with fingers, compress, remove both cups.
   • Slide off spring and remove bearing (if equipped).
5. Extractor Plunger Assembly
   • Tip out spring, plunger, and rearward-facing bearing.
6. Remove Extractor
   • Press firing pin safety plunger down.
   • Tilt extractor out from the right side.
7. Remove Firing Pin Safety
   • Let plunger rise. Shake or poke it out with spring.
8. Channel Liner
   • Use Glock liner tool to pull plastic sleeve from striker channel.
9. Sights
   • Remove front sight screw with Glock tool.
   • Push or drift rear sight out with sight pusher or punch.

How to Break Down the Glock 29 Frame

1. Pins First
   • Punch out rear (housing), front (locking block), and center (trigger) pins.
2. Locking Block
   • Wiggle it free and pull up.
3. Trigger Group
   • Pull entire unit up and out.
4. Break Down Components
   • Remove connector from housing.
   • Unhook trigger spring.
   • Remove trigger bar and ejector housing.
5. Slide Stop Lever
   • Lift straight out.
6. Slide Lock & Spring
   • Push down spring and slide the lock sideways out.
7. Magazine Catch & Spring
   • Use flathead through magwell to pop spring inboard.
   • Slide mag catch left to remove.

How to Disassemble a Glock 29 Magazine

1. Push in baseplate lock tab with punch.
2. Slide baseplate forward while holding tab.
3. Remove retainer, spring, and follower.
4. Pliers help if spring tension is high.

How to Reassemble the Glock 29 Frame

1. Install Mag Catch + Spring
2. Install Slide Lock Spring + Slide Lock
3. Rebuild Trigger Group + Drop In
4. Install Slide Stop Lever
5. Drop Locking Block In Place
6. Insert Pins in Correct Order
   • Trigger pin → Locking block pin → Trigger housing pin

How to Rebuild the Glock 29 Slide

1. Install New Channel Liner
2. Install Firing Pin Safety + Spring
3. Install Extractor (press plunger down)
4. Insert Extractor Plunger Assembly (bearing faces rear)
5. Rebuild Striker
   • Spring → Compress → Insert both cups by hand
6. Insert Striker Assembly into Slide
7. Slide on Cover Plate While Pressing Sleeve Down
8. Install Sights

How to Reassemble the Glock 29 Magazine

1. Follower in
2. Spring in
3. Retainer plate in
4. Baseplate on until it clicks

Function Check After You Disassemble and Reassemble a Glock 29

1. Assemble frame and slide
2. Rack slide and dry fire
3. Hold trigger back, rack again
4. Release to reset, fire again
5. Insert empty mag → Confirm slide lock
6. Confirm pin flush, no unusual resistance

FAQs: How to Disassemble and Reassemble a Glock 29

What’s the best way to learn how to fully disassemble a Glock?
Start with a video walkthrough paired with a step-by-step written guide like this one. Follow each step in order, double-check spring orientation, and don’t rush it.

How do you fully disassemble a Glock 29?
Start by field stripping, then remove every pin, spring, sight, mag part, and internal component in correct order.

What tools do you need to take apart a Glock 29?
You need a 3/32″ punch, pliers, a sight tool, and a channel liner tool.

Is it hard to reassemble a Glock 29?
No, if you follow the correct order. Pin depth and spring alignment are key.

Why would you fully disassemble a Glock?
To replace worn parts, deep clean internal carbon, or learn how your Glock functions.

Does this guide work for other Glock models?
Yes. Most Gen 3 and Gen 4 Glocks follow the same full teardown pattern.

Have a smaller Glock on hand too? Check out our full guide to disassemble and reassemble a Glock 43. It uses a Gen 4-style frame and follows a similar teardown process—perfect if you carry both 10mm and 9mm platforms.

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Credit: Jason Schaller
Email: jschaller@trb.fyi

About the Author: Jason Schaller is a former FFL holder and founder of Eagle Eye Shooters Supply in Helena, MT, where he provided professional gunsmithing services and guided customers on all aspects of firearms ownership. Today, he teaches DIY gunsmithing at The Rogue Banshee and serves as a Chief Instructor at Freedom Crew University. With over a decade of hands-on professional experience with firearms and nearly 30 years in IT, Jason also holds top cybersecurity certifications including CISSP, CISA, and CRISC. When he’s not geeking out, he’s helping others build self-reliance, critical thinking, and firearms proficiency through real-world content.

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