Pump Action Kit:
Print all STLs in there given position. Most Parts don't need support.
I recommend to print the Files with at least 4 walls and 30% infill.
You will need some M3 Screws for assembly:
assembly:

Mod Parts Non Pump :
Please get in touch if you think the files need any adjustments.
Anmerkung zu Umsatzsteuer:
Umsatzsteuer wird aufgrund Kleinunternehmerstatus gem. § 19 UStG nicht explizit ausgewiesen.
The author marked this model as their own original creation.