I too am also building a retro rifle. handguard sets in that condition are easily fetching $50-$60 on gunbroker. I paid $150 for a VGC A1 set a few weeks ago. one reason for my purchase was the flawless A1 buttstock in unissued condition that was part of the set. I would say $20-$40 but depending on the friend a gift would not be out of the question.