Aluminium shims for gas release output valves. Suitable for WE GBB magazines
Specs:
- Precision CNC machined aluminum construction
- Anodized finish
- Valve stabilizing shim helps regulate amount of gas released for each shot to minimize excessive waste
- Greatly improve gas efficiency
- Easy to install
Improve your gas efficiency and minimize excessive waste by restricting the amount of gas output from your magazines
Poseidon