Kinda disappointed at your results with the 9422. I have wanted one of those for years.
I have a 39a and that gun shoots pretty darn good at 50 yards. I have had a trigger job done on it and it does not "rap" your finger like the stock one did.
I have a K6 Weaver on it and that is probably more scope than it needs.
I think I am going to swap that out for a K4.
I have not measured groups with mine but just eyeballing them, I am pleased.
I also shoot a CZ452 Trainer that WILL shoot small groups at 50 yards. That rifle really impresses.
Just from previous experience shooting skunks: Upwind is good. Downwind not so much.