The EDGE PAINTBALL AK47 Style Expansion Chamber fits most standard vertical ASAs  

It allows room for CO2 to expand in the expansion chamber and "boil off" - Turn completely from liquid to gas.
This provides more consistency and improved efficiency when using CO2.

- Made of machined aluminum
- Built in expansion chamber
- includes 45 degree hose joint
- Includes 160mm braided hose (suits A5 - Measure your requirements to check)