Its hard to find a reliable Airsoft switchboard, but if youre searching for one, this PolarStar HPA JACK/F1 is exactly what youre looking for. This fantastic product helps you elevate your performance by supporting normal gearbox operations.
The switchboard suits all version 3 F1 and JACK cylinders. You can also use it with your V3 gearbox on AK-series platforms. It installs onto a PolarStar Fusion Engine that takes an AEG selector plate. Optimal fitment is guaranteed, but you may need professional installation.

Specifications:

• Color: Green
• Material: Plastic
• Compatible with Version 3 F1 and JAKC Cylinders
• Works with V3 Gearboxes