I just looked at this carbine on Gun Broker and lots of the parts look reblued. The barrel band, the trigger guard, the butt plate and the barrel all look refinished from original. That rear sight stands out like a sore thumb but evidently not to the buyer.

I wouldn't have paid over $600 for it the way t is. Actually the buyer can return it for a full refund based on the item description that claims that the carbine is "all original"! And NO Refinish!