Detailed photos
As Hawg posted, esp. that vintage (1981) there were a lot of inexpensive kit's being sold. Depending on the skill of the builder, they often appear to be factory built guns.
It is fairly easy to ATTACH pics to a post here. Click the icon with the paper clip, if using your phone lower the photo resolution or the file will be too large. Old software here, forums are making pretty much making zero money these days, so we deal with it and appreciate having this great and well moderated forum. To make the pic appear in your post it must be hosted.