
- description
Most Hi-Capa HPA adapters use M4 AEG magazines, which produce a workable but relatively bulky profile. The AirTac Hi-Capa to MP5 HPA Adapter takes a different approach: it uses the much shorter MP5 AEG magazine format, which produces a significantly more compact setup while still providing a meaningful capacity advantage over standard Hi-Capa gas magazines.
This adapter is built for the TM/WE Hi-Capa, Novritsch SSP1 and SSP5 platforms. The Compact Series designation reflects both the physical design and the intended use case: it's the right adapter for players who want to keep the pistol's profile as compact as possible while gaining HPA consistency. MP5 AEG magazines are widely available, inexpensive, and come in a range of capacities from compact 65-round metal mid-caps to 100+ round mid-caps.
M4 vs MP5 magazine — which adapter format is right for you?
| Feature | Hi-Capa to M4 adapter | Hi-Capa to MP5 (this) |
|---|---|---|
| Magazine profile | M4 — longer, straight | MP5 — shorter, curved |
| Overall pistol size | More extended below grip | More compact |
| Magazine availability | Very wide — M4 is most common AEG mag | Wide — MP5 mags are common |
| Best for | Players who use M4 mags elsewhere in loadout | Players prioritising compact profile |
Specifications
| Specification | Detail |
|---|---|
| Series | Compact Series |
| Compatible platforms | Tokyo Marui Hi-Capa, WE Hi-Capa, Novritsch SSP1, SSP5 |
| Magazine format | MP5 AEG magazines |
| HPA fitting | US Foster (standard) |
| Recommended pressure | ~120psi; max 140psi |
| Warranty | Lifetime warranty (AirTac) |
Package Contents
| Item | Qty |
|---|---|
| AirTac Hi-Capa to MP5 HPA Adapter (Compact Series) | 1 |