Download:
Here's an example of how your Action.ini should look with 3teams:
Example of Action.ini
Source:
This is the source of original AQ v1.5:
Action Quake 1.5 Source
Windows95/NT:
Only the server needs this file, for helmet it uses pictures from baseq2 directory so everyone has them:
3-Team Action Quake DLL v1.5h
This is the original gamex86.dll if needed:
Action Quake v1.5 DLL
Linux/Unix:
3-Team Action Quake 1.5h:
3-Team AQ2 For Linux/unix v1.5h