If you throw a screw-type ball puller in your possibles bag, that’ll likely allow you to pull any load that needs to be taken out while in the field. If you never needed to do this with a sidelock… congratulations. You obviously have been paying close attention to the details of your loading routine!
Try a few reps at the range by loading w/o powder, to get comfortable with your abilities.
I’m thinking about something along the lines of one of these:
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There are also ramrods that have a tip that unscrews, to reveal a ball puller. Something like this:
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***Of course if you’re looking for an excuse for getting a new rifle… NONE of those will work. In that case, you’d better start shopping for a new rifle, where the breech plug can be removed with just your fingers!