A couple of files applicable to older Angel markers were found online.
Part: Angel barrel specification
Created by: Baldusi
Description: Demo model for the female receiving threads on the Angel barrel (old style, pre-G7).
Description: Demo model for the female receiving threads on the Angel barrel (old style, pre-G7).
Common parts:
Check the CAD file post index for links to universal parts which are compatible between multiple markers. This may include feednecks, regulators, air fittings, solenoids, and others.