I spoke with Don King a couple of days ago about the rifle. It turns out I know the gentleman he made the rifle for. He still lives in the area and I spoke with him after talking with Don. The original owner didn't change the caliber while he had it or the sights. This is the second time it has been back in the Wichita area after the original owner sold it. It has been well traveled since being made in 1971. It's globe trotting days are over with for awhile.
Bob
Did the original owner mention the sights that came on the rifle? The rear sight dovetail is not what Don usually used for a rear sight so i wonder if Don put these on originally?
Don's typical Hawken rear sight was similar to the Schillinger "Modena" sight and has a longer base.
Based on this the sights might be original to the gun?? But this is supposition.
In any event you did well, as you may know from talking to Don, he made few percussion Hawkens.
Most looked like these.
Photo was taken at Chadron NE in 1971
Dan