Or you can just have the adjustment screw be a self-locking screw. These do not back out or move on their own.
That's even better!
I think with all these hints on design changes you should call the rifle the "Huntingnet Black Powder Special"
Not a bad idea
Bronko. I don't usually put a name to a gun, except for "Miss Piggy", my very first build in the early `60s. But this one already seems to have a name associated with my long suffering wife.