Thank you so much for your time and your answer!
Is there perhaps a way to overcome this on my end? Maybe by reimporting manually the objects through Blender, or with a solution like this?
Kind regards.
This kit is in standard wavefront obj and the scale is correct for Unity units which AssetForge 1 and 2 use. There is nothing wrong with the models. There is a forum on the itch page for AssetForge. I think there's a page specifically for this model kit on there. I recommend asking your question in that forum.