R.I.P. Scout26
While perusing the FB post about this on Corriea's page I found a set of comments from someone who claims to know the owner of this particular Franken gun and also hints that it works. So, there's that tidbit.
Is it open bolt/FA as some suspect? Linkey please!
http://www.thefirearmblog.com/blog/2017/01/13/potd-weird-franken-gun-pickup-truck-gun-rack/Identify parts without looking at the comments. And... GO!