Thats interesting. I wish I could give you more info on mine, but all I know about mine is that is the way it came. It is the black oxide color of both of you carbines and typical of the German/Austrian finish. The Muzzle is counterbored. All Halmarks of Germany/Austria
it does not have any markings on the left rail where the bavarians were marked, but it may have been ground off. I wonder if this may be one of the unidentified German areas markings. It also came in an unmarked very fat highwood stock. It has its original IPN front sight with height number on the side and Type 1 band, S'G' bolt and RP flip sight. It had a early underwood trigger housing with unmarked T2 safety, inland T2 dogleg, and I can't remeber the rest right now. All Of the trigger housing parts were also black oxided. PM me if you need anymore info. If we could figure out some stuff on this one it would make a good article.