With this kit from Airsoft Solutions Denmark, the installation of the HPA in Urban Assault Rifle is much easier,
you can get rid of the standard hop up, slow trigger response, and unnecessary weight.
• Can be used with Prowin style hop up house.
• Rapid trigger response, made with micro switches.
• Perfect alignment, shell HPA device.
• Easy maintenance HPA device.
• Carbon outer barrel.
• Low weight.
• Installation is performed in a short time.
Compatible with SMP, Inferno, Hydra, Jack, and F1
* Gun and HPA unit are not included.