Okay, I'm a blockhead. Headed down a trail and didn't stop to think at a fork in the road.
Not a ball stuck in a barrel...it's even better. A flat ended bore scrapper. Accepted an old TC Renegade in a trade. Bore scoped it later. More rust than I'm comfortable with....so, started working steel wool on a cleaning jag for a half hour or so. Wiped out pretty clean using bore butter. Next day started wiped again and got black, like just after a shot black, fouling on the patch. So, I decided to use a brass brush. Worked it for another half hour or more... getting better, but my arm was tired, so I used a trick I saw at basic training when getting my M16 ready for turn in...the DI brought a drill and started brushing the heck out of our bore. a few turns with patches in between waiting for our turn again and the bores were shinny as all get out. Yeah, I broke out a drill and hit the barrel with a brush. Patches were coming out clean. Used the bore scope. bore looked a lot better except it still looked rusty at the bottom at the breech, so, I decided to "scrape" it. didn't think about it being a patent breech. Put it in. It got stuck. twisted back. It unscrewed. Twisted it clockwise. It wouldn't budge. Twisted and pulled really hard...and, of course the brass threads of the scrapper broke off. If I wipe the barrel with bore butter, I get a good suction on pulling the rod out. It's sealed pretty tight. Can't see if the brass somehow inbedded into the barrel steel.
Now, why post here instead of a new thread? Is it this same principle as a stuck ball? I can't use a ball puller...even with a harder metal screw, there is a stub of threads sticking up. Can I shoot it out? Is that a safe operation with a piece of brass firmly stuck in the entrance of the patent breech? Air compressor at my max (120 PSI) didn't budge it. It is a TC with 1/4 X 28 thread. Zerk fitting with a manual grease gun? What are your thoughts?