I saw the term "overhorns" In the Holts catalog. What be they? thanks.
I would say the two thin bits of the stock that meet up with the back of the fences...the upper ones being Over horns...the bottom ones Under horns ?
franc
That would be on a Side lock, or Side plate sxs Gun
franc
See under Horns on this page:
http://www.hallowellco.com/abbrevia.htm#HIf you look at the photo of the gun in the Holts auction, you can see the pins used in the repair to the hand described therein, on the upper horn.
Tim