Rear Plate for Glock 21 Gen 3 – Compatibility Guide
Why upgrading your rear plate matters for the Glock 21 Gen 3
Your Glock 21 Gen 3 is a versatile powerhouse. Known for its duty and competition capabilities, this firearm demands reliability. A quality rear plate enhances function, making sure you’re mission-ready.
Many shooters upgrade factory parts for performance. A superior rear plate provides better durability and smoother cycling. NDZ rear plate is CNC-machined in the USA, boosting both strength and feel over OEM.
| Part SKU | Part Name | Firearm Model | Compatible |
|---|---|---|---|
| GLK-SP05865 | Glock OEM Gen 1-5 Armorer’s Half Rear Plate Org | Glock 21 Gen 3 | Yes — Verified |
Get Yours from NDZ Performance
Precision-machined in the USA. Ships fast. View GLK-SP05865 on NDZ Performance
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How do I install the rear plate on my Glock 21 Gen 3?
Remove the slide, slide the old plate out, and pop the NDZ plate in its place.
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Will this rear plate fit other Glock generations?
Specifically designed for Gen 3. Check SKU GLK-SP05865 compatibility for other gens.
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What comes with the NDZ rear plate?
The rear plate only, precision-engineered for accuracy and fit.
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How does NDZ’s rear plate compare to the OEM version?
Our plate is CNC-machined for enhanced durability and smoother cycling over OEM.