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Magazine for Glock 21 Gen 3 – Compatibility Guide
Why upgrading your magazine matters for the Glock 21 Gen 3
The Glock 21 Gen 3 stands as a trusted choice for duty and competition alike. You already know its dependability and power in .45 ACP. At the range, a quality magazine is key — it ensures each round feeds flawlessly, enhancing your shooting experience through reliability and performance. Shooters upgrade their magazines for enhanced reliability and optimized feeding. NDZ magazines provide a superior feel and consistent performance, ensuring you can trust your firearm every time. Engineered to outperform OEM, our magazines are precision-machined in the USA — made to last and made for you.| Part SKU | Part Name | Firearm Model | Compatible |
|---|---|---|---|
| GLK-MAG-10021-V | Glock OEM 45 10 Round Magazine Glock 21 Gen 1-4 | Glock 21 Gen 3 | Yes — Verified |
Get Yours from NDZ Performance
Precision-machined in the USA. Ships fast.
View GLK-MAG-10021-V on NDZ Performance