Here is a reproduction of an AH front sight. I have one of these and it's pretty nice after some refitting. Note it has a cross-wise hole in the base that holds the staff to the base. The hole is tapered so the screw wedges itself as tightened.

https://www.buffaloarms.com/alexander-henry-elevating-long-sf12.html


_________
BrentD, (Professor - just for Stan)

[Linked Image from i.imgur.com]