Viper Tech NPAS (adjustable rocket valve)

This is our design for an adjustable rocket valve for the Viper Tech / Vipertech airsoft platform, now offered to the community for free.

Installation instructions are available here:
https://docs.google.com/document/d/1WCuo2AlrfFQFtsOWA9cEL25DTBsSUaqhBnKx3g_R1EA/edit?usp=sharing

Please be aware that these parts are, by necessity, very thin and will likely not hold up to use if printed via conventional FDM or resin. We recommend nylon PA12 via multijet fusion (MJF), and we give you permission to outsource production of these parts for personal use.