There's some dealers out there who "think" they know what sight should be on a rifle.  I sold a good barrel to an AF Lt Col who had bought a 98 that had the chamber all reamed out, and then someone tried putting an insert in it.  Anyway, he took it to a dealer and they wanted to cut his asking price way back because it had a 96 sight on it rather than a 1901 or 1902, like it wasn't original.  But his was in range where it was very likely it was issued with the 96 sight.  I was a little miffed at that Lt Col wishing to sell it, if I'd known he wasn't going to take it out and play with it I wouldn't have sold him the the only .308 groove diameter barrel I had at the time.  But I got over being miffed at him.  I've always had to keep my Lt Cols in line!