Quick Summary
The H&K Umarex M Series Airsoft Magazine Gen3 is an adjustable airsoft magazine in black, with a stated capacity that switches between 120 rounds and 30 rounds. It is described as a replica magazine for airsoft use and is made for 6 mm BBs.
The magazine is described as applicable for almost all Airsoft HK416 and M-Series AEG versions from major manufacturers, so exact model matching remains an important pre-purchase check.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Airsoft magazine for 6 mm BBs. |
| Brand / range | H&K Umarex M Series. This identifies the magazine family. |
| Generation | Gen3. Check this against the version you need. |
| Colour | Black. |
| Capacity | 120/30 rounds. The magazine switches between the two stated capacities. |
| Compatibility | Described for almost all Airsoft HK416 and M-Series versions (AEG) from major manufacturers. |
What to Compare Before Buying
- Compatibility: This magazine is described for Airsoft HK416 and M-Series AEG versions. Check the exact model of your airsoft replica before choosing.
- Capacity: The stated capacity is 120/30 rounds. Compare that with the magazine format you want to use.
- BB size: It is made for 6 mm BBs, so the ammunition type must match.
- Version: The Gen3 designation matters if you are replacing or matching a specific magazine version.
- Colour: The magazine is black, which may matter if you are matching an existing setup.
Before You Decide
Confirm that your airsoft replica matches the HK416 or M-Series AEG fitment you need, and check that the 120/30 round adjustable format suits your intended use. Also make sure the Gen3 version and black finish are the right match for your setup.





