Some people on that forum managed to extract and convert model files from the Avatar Game (PC and XBOX360 version, afaik the games for other platforms are different games).:
The meshes can be converted correctly for most of the models and also the textures itself but the uv coordinates not.
Maybe someone here who’s good at blender knows how to improve that conversion script.
“quickguide” for extracting:
-you need the game installed
the file for samson is here:
what i did for testing:
samson chopper without textures:(extract to garrysmod models folder and place via browse)
samson chopper without textures smd file: