This Trigger Housing With Ejector is a critical internal component for your Glock pistol’s lower receiver. Whether you’re performing routine maintenance, completing a custom build, or replacing a worn part, this housing is essential for reliable function. It securely contains the trigger mechanism and crucially, integrates the ejector which consistently kicks spent casings clear of the action. Sourced directly from Miami Shooters Supply, you get a factory-spec part with the benefit of fast, reliable shipping to get your project finished.
Key Features
- Includes a factory-style, precision-molded polymer trigger housing.
- Integral ejector is pre-installed and properly staked for secure operation.
- Designed for a drop-in fit in compatible Gen 3-4 Glock frames, minimizing gunsmithing.
- Features correct channel for rear frame pin and locking block pin installation.
- Manufactured to OEM specifications for consistent trigger reset and reliable ejection.
- An essential spare part for armorers and a cornerstone for any Polymer80 or custom frame build.
Built For
This part is ideal for the serious Glock owner who handles their own repairs and builds. It’s perfect for builders assembling a pistol from a custom frame or an aftermarket lower, as it’s one of the few necessary OEM components. It’s also a must-have spare for competitive shooters and armorers who need to quickly replace a damaged housing to keep a firearm in service.
Specifications
- Compatibility: Fits Glock Gen 3 and Gen 4 models in 9mm/.40 cal configurations (check model specifics).
- Material: High-strength, glass-filled polymer housing with a metal ejector.
- Ejector Type: Standard 336-style ejector for 9mm; confirm caliber for correct ejection pattern.
- Finish: Black OEM-style finish for corrosion resistance.
- Includes all necessary internal housing components ready for installation.
FAQ
Is this a complete trigger mechanism?
No, this is the housing unit with ejector. You will need to install your trigger assembly, connector, and trigger bar into this housing before installing it into your frame.
Will this fit a Glock 19 Gen 5?
No, Gen 5 Glocks use a different, non-interchangeable trigger housing design. This housing is specifically for Gen 3 and Gen 4 models. Always verify your generation and caliber before ordering any Glock parts.


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