Stormbreaka GBB M4 Adapter (HPA Only)

➤ Stormbreaka is the 1st generationM4 adapter.

➤ It is designed to fit most BB AEGM4 mags.

➤ This adapter allows you to use HPA (high pressure air) and M4 AEG magazines on your G-Model/HI-CAPA pistol.

➤ To use it you will also need an M4AEG magazine, “paintball” tank with low pressure regulator (0-120 psi), a hosewith a Foster quick disconnect.

The normal operating pressure for green gas is roughly 120 psi depending on the temperature.

➤ There have a lot of color for youto collect.


1. To avoid screw hole strip, please reduce disassembly frequency after installing the pistol magazine.

2. AAP01 owner please click here for reference.

3. Tokyo Marui Hi-capa owner please remove washer on your long screw before STEP.4

4. If your long screw O-ring is deformed, please change into our long-screw O-ring which has sticker on the packaging bag.