Best suggestion, muzzle loading patch puller.
Will pick the cloth obstruction apart, rather than wadding it tighter. Not a task to be rushed.
You could send your barrel to Rod Hendrickson in Edmonton and he will remove the obstruction. This is how he does it....
https://www.youtube.com/watch?v=6fVJP7oYAjc
Should be a "must view" for those who are suggesting to use a wooden dowel and pounding on it, to remove stuff from within a barrel...
What kind of a SxS is it?
Tried air pressure? If you don’t have an adaptor slap a bunch of electrical tape on your blow gun until it seals up.
Well, just going through the safe and remembered I got an entire rag stuck in one of the barrels of a 30" side by side last year. Less of a why and how that happened, don't want to get into that, but it's REALLY in there.
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Brad243 has the right solution. A muzzleloading screw jag should be able to catch and remove the rag. Simply insert the rod until the jag makes contact.
A couple of turns until you feel the hooks catch. Then, slowly but firmly pull out the rag. You can soak the rag first with penetrating oil or WD40 first. But will also work on dry material. Pounding on it more will likely only result in a damaged barrel.



























