Quick Summary
The Umarex Glock 17 Gen 4 spare magazine is a 4.5 mm BB magazine with an 18 round capacity. It is named for the Glock 17 Gen 4 pistol and the 5.8364.1 product code, so the key buying check is whether it matches your exact pistol variant and calibre requirement.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Umarex, so the magazine is part of the Umarex range. |
| Product type | Spare magazine for a Glock 17 Gen 4 pistol. |
| Calibre | .177 / 4.5 mm, which is the calibre to compare with your pistol setup. |
| Capacity | 18 round capacity, which affects how many BBs the magazine holds before reloading. |
| Product code | 5.8364.1, useful when checking the exact replacement part. |
What to Compare Before Buying
- Model match: This magazine is linked to the Glock 17 Gen 4, so confirm that your pistol is the same variant.
- Calibre: Compare the stated .177 / 4.5 mm calibre with your existing setup.
- Capacity: The magazine holds 18 rounds, so check that this suits your loading and use requirements.
- Part code: Use 5.8364.1 to confirm you are choosing the exact spare magazine.
What Else You May Need
Check that your pistol is the matching Glock 17 Gen 4 variant before choosing this magazine.
Before You Decide
Confirm the Glock 17 Gen 4 match, the .177 / 4.5 mm calibre and the 18 round capacity before you choose this magazine. The 5.8364.1 code is the clearest identifier for the exact part.
