I was hoping to get a price check on the current market for an already built rifle with an East German barrel. Like if you had one, how much would you sell it for?

What types of units had which models? For example, did only the air assault and paratroops have the MpiKMS-72?

We recently imported a batch of East German MPi-KM parts kits, all vintage 1985 with a few 1984 stragglers. All had/have natural matching parts. As it is in any collectors nature to fully understand part origins and original manufacturer marks, we would like to know if anyone out there can shed...