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Magazine for Glock 21 Gen 4 – Compatibility Guide
Why upgrading your magazine matters for the Glock 21 Gen 4
The Glock 21 Gen 4 is favored for its duty use and competitive shooting capabilities. It’s a reliable workhorse in any environment. You already know its worth, so let’s talk about taking it to the next level. Shooters upgrade their magazines for reliability, performance, and improved feel. NDZ’s magazine is precision-machined in the USA, offering 20% more consistency than the OEM. Enhanced feeding and robust construction ensure peak performance when it counts.Shop Magazine for your Glock 21 Gen 4? Browse this part at NDZ Performance — ships from the US with fast processing.
| 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 4 | Yes — Verified |
Get Yours from NDZ Performance
Precision-machined in the USA. Ships fast. Maximize your Glock 21 Gen 4 performance.
View GLK-MAG-10021-V on NDZ PerformanceIs this magazine compatible with the Glock 21 Gen 4?
Yes, compatibility with the Glock 21 Gen 4 is verified.
How do I install the magazine?
Insert the magazine into the Glock 21 Gen 4 mag well until it clicks.
Will this magazine fit older generations of the Glock 21?
Yes, it also fits Glock 21 Gen 1-4 models.
What distinguishes this magazine from the OEM?
This magazine is USA-made with enhanced feeding and construction.
Ready to upgrade your Glock 21 Gen 4? Get your Magazine at NDZ Performance and experience the difference quality aftermarket parts make.