Every Glock owner knows that reliability starts with the small parts. This Firing Pin Safety Plunger Spring is a critical internal component responsible for resetting the firing pin safety after every shot. If your spring is worn, weak, or damaged, it can lead to failure-to-fire malfunctions and compromise your pistol’s safety system. This replacement spring from Miami Shooters Supply restores the proper function and positive reset of your firing pin safety plunger, ensuring your Glock runs as designed. It’s an essential spare for any maintenance kit.
Key Features
- Manufactured to exact OEM specifications for a guaranteed fit and function.
- Made from high-carbon music wire for consistent tension and long service life.
- Directly replaces the factory spring in standard and many modified Glock setups.
- Correct spring weight ensures the safety plunger engages and disengages smoothly.
- An inexpensive but vital part for preventative maintenance and repair jobs.
- Packaged securely to prevent damage or deformation during shipping.
Built For
This spring is for the Glock owner who performs their own maintenance or is troubleshooting a failure-to-fire issue. It’s a must-have for armorers, competitive shooters who round-count their parts, and anyone building a Glock from a frame or parts kit. Keeping a spare on hand is just smart, as springs are wear items that can eventually lose tension.
Specifications
- Compatibility: Fits most common Glock models (G17, G19, G22, G23, G26, G27, etc.) in 9mm, .40 S&W, and .357 SIG.
- Material: High-carbon steel music wire with a corrosion-resistant finish.
- Function: Specifically for the firing pin safety plunger channel, not the trigger or slide stop spring.
- Packaging: Single spring, clearly labeled for easy identification.
FAQ
How do I know if my firing pin safety plunger spring needs replacement?
If you experience intermittent light strikes, a gritty or sluggish trigger pull reset, or can see visible deformation or rust on the spring, it’s time for a replacement. It’s also a standard part to replace during a detailed strip and clean.
Is this spring different from the trigger spring or slide stop spring?
Yes, absolutely. Glock internal springs are not interchangeable. This spring is specifically designed for the firing pin safety plunger and is a different size and tension than other springs in the frame. Always verify you are installing the correct Glock parts.


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