Removing the back plate on a Glock handgun is a common step in field stripping, cleaning, or replacing internal parts such as the firing pin assembly. This simple task allows access to the firing pin and extractor, enabling maintenance or upgrades without specialized gunsmith tools. Before you begin, ensure your Glock is completely unloaded and pointed in a safe direction to avoid accidental discharge.
What You’ll Need
- Glock handgun (unloaded and cleared)
- Flathead screwdriver or a small punch (optional, for stubborn back plates)
- Clean workspace
- Safety glasses (recommended)
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Step-by-Step
- Ensure the firearm is unloaded. Remove the magazine and clear the chamber by pulling back the slide and visually inspecting the barrel and chamber area.
- Place the gun on a stable surface. A clean, flat table with good lighting works best. Keeping the gun steady helps prevent damage or loss of small parts.
- Pull back the slide slightly. Pull the slide rearward roughly a quarter inch to expose the back plate’s edge. This slight movement provides the leverage needed for removal.
- Grip the back plate firmly. Use your thumb and forefinger to grasp the back plate at the rear of the slide. The back plate is a small rectangular piece located at the rear center of the slide.
- Apply downward and forward pressure. Push the back plate down and forward, sliding it off the slide. It may require some firm pressure but should not need excessive force.
- Remove the back plate. Once it moves forward, carefully lift it away from the slide. Be mindful, as the firing pin spring and other small parts are behind the back plate and can fall out.
- Inspect and maintain internal components. With the back plate removed, you can now clean or replace the firing pin, spring, and related parts as needed.
- Reassemble by reversing steps. To reinstall, align the back plate with the slide, slide it back into place, and release the slide forward.
Common Mistakes
- Not confirming the gun is unloaded: Always double-check the firearm is clear to avoid accidental discharge.
- Using excessive force: Forcing the back plate can damage the slide or the plate itself.
- Removing the back plate with the slide fully forward: The back plate is easier and safer to remove when the slide is pulled back slightly.
- Ignoring small parts behind the back plate: The firing pin spring and other components can fall out and get lost if not handled carefully.
Tips
- Wear safety glasses: Springs may release suddenly and cause injury or loss of parts.
- Work over a tray or cloth: This helps catch any small parts that fall during removal.
- If the back plate is stuck: Use a small flathead screwdriver or punch gently to nudge it forward, but avoid scratching the slide.
- Practice patience: With experience, the removal feels smooth and natural.
Troubleshooting
Back plate won’t budge: Confirm the slide is pulled back slightly—about a quarter inch. Sometimes, the back plate can be stubborn due to dirt or grime buildup. Apply a small amount of lubricant around the edges, wait a few minutes, then try again. Avoid using metal tools that can mar the finish. If necessary, gently tap the back plate forward with a nylon punch or plastic tool.
Parts fall out unexpectedly: This usually happens if the back plate is removed too quickly or without controlling the slide position. Always remove the back plate slowly over a clean surface to catch springs or pins. If parts are lost, consult Glock parts diagrams or a qualified gunsmith for replacements.
Back plate won’t reattach: Ensure the slide is properly aligned and that the back plate is oriented correctly. The plate should slide back and click into place without excessive force. If resistance is felt, double-check that no parts are misaligned or obstructing the fit.
Frequently Asked Questions
Q: Is it necessary to remove the back plate when cleaning my Glock?
A: It’s not required for basic cleaning but is recommended for thorough maintenance of the firing pin and extractor.
Q: Can I remove the back plate without pulling the slide back?
A: No, the slide must be pulled back slightly to release the back plate safely and easily.
Q: Will removing the back plate void my warranty?
A: Removing the back plate for maintenance is normal and does not void the warranty, but modifications or improper reassembly might.
Q: What should I do if the firing pin spring flies out during back plate removal?
A: Work slowly and over a tray or cloth to catch small parts. If it happens, retrieve the spring carefully and reinsert it before reassembling.
Q: Can I use any tool to help remove a stuck back plate?
A: It’s best to use non-marring tools like plastic punches or nylon-tipped tools to avoid damaging the slide finish.
Q: How often should I remove the back plate for maintenance?
A: Typically, once every few thousand rounds or during deep cleaning cycles, unless you suspect a problem with internal parts.
Removing your Glock’s back plate is a straightforward process that facilitates essential maintenance and part replacement. With the right precautions and careful handling, it can be done safely and efficiently to keep your firearm in optimal condition.
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