I've never "dryballed" but I have on occasion had a ball get stuck on the way down. Still not sure why this is happening but it is. Anyway, had it happen again the other day, even broke my ramrod trying to force it. When I got home I tried a couple different ball pullers that I had and couldn't get it to budge.
So Saturday I ran up to Dixon's and bought a steel range rod, a new ramrod and a better ball puller. Went home and had the ball out in no time. The tapered and much sharper threads on the new puller did the trick.
View attachment 46237
Now if I could just figure out how to not stick a ball in the bore.......