It sounds like this might be a new one, not previously seen. That would make a total of 3 plastic CG80 stocks known to exist. I've asked to get copies of the pictures.Is it the same one as was posted here before? I believe the one on here before was drilled and tapped for a scope.
I think you're right, I can only find the rearmost dowel hole. Must have been done after the fact.I do not see 2 dowel pin holes from the inside , so it was not a military addition . Plenty of Swedish civilian gun smiths working on firearms , so hard to say who or when the holes were added . Are they welded or plugged & filed flush ? Then reblued ?