HPA M4 Adapter for Hi-Capa Series


Out of stock

Want to be notified when this product is back in stock?

Airsoft starts with bunker 501

A 300 round magazine on your GBB! Available in EU fittings

This adapter allows you to connect an M4 magazine to a GBB HI-CAPA AW Custom HX series, Tokyo Marui, WE, RAVEN, VORSK and Lancer Tactical pistol,  and to connect it to HPA (Compressed air in bottle).

Imperative for Speedsoft, SpeedQB, AirQB and FCC.

Thanks to the Speedsoft teams supported by BO Manufacture, these adapters are tested and directly based on feedback from players on the playground.

Delivered with 2 ball guides (1 long for Tokyo Marui and 1 short)





  • This adapter is designed to operate between 80 and 120 psi.

Pistol magazine not included, M4 magazine not included.