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  1. Gooddaytoya!

    Cast your own, shrinkage?

    Thanks guys that's a relief. If I buy a mold I want it to produce .590 balls and not some unpredictably smaller size. I'll be using pure lead. And I get it that patch thickness plays a part. It looks like I'll be the proud owner of a new . 590 mold. Only 25 pounds English. It looks like I'll be...
  2. Gooddaytoya!

    Cast your own, shrinkage?

    I just read that if I consider buying a ball mold I have to consider how much the ball shrinks as it cools. I never thought of that one before. Does anyone know if there is measurable or significant shrinkage in a cast ball is small as . 590? I can imagine that if I cast a 2 lb cannonball that...
  3. Gooddaytoya!

    Anybody heard of a .6115 bore?

    But I have to ask, what good is a 20 gauge rifled barrel? Maybe 50 or 70 years ago there were round balls that fit this barrel. None that I can find now. If I could, I would choose a . 590 round ball plus suitable patch. I certainly can't afford to have a custom round ball mold made just for...
  4. Gooddaytoya!

    Anybody heard of a .6115 bore?

    My apologies, by no cigar I meant that a 20 gauge round ball (.615) would have no clearance for a patch in my rifle. But it just occurred to me, I could put in about 50 grains of FFG, a felt wad, push in a 615 round ball, lightly lube the barrel after loading, fire it and see what happens. It...
  5. Gooddaytoya!

    Anybody heard of a .6115 bore?

    Ya close but no cigar LOL. Ever tried putting a shot cup in a rifle? I did with my swivel gun using small bird shot, and the pattern was a huge useless donut. What a noob I was, but my friends were doing the same silly experiments.
  6. Gooddaytoya!

    Anybody heard of a .6115 bore?

    Since the breech plug is now working right and the barrel is now shiny clean thanks to everyone's help, I decided to slug the bore from the breech end since I never did know the exact dimension. My plan was to use the information to rationally and without blind guesses select as close as...
  7. Gooddaytoya!

    Lock malfunctioning.

    Isn't that what I said? : -- (
  8. Gooddaytoya!

    Breech plug thread Grease.

    Well I had a machinist remove the stuck breach plug, and I bought a tube of permatex anti-seize compound. It works great: I can tighten the breech plug really tight to get it in it's proper position, yet can still remove it. I had gotten myself into a jam there. Thank you for your advice.
  9. Gooddaytoya!

    Engraving on breech plug, newly found.

    Yes I converted the nipple cap system to a 209 primer system. I ground off the cup on the hammer to make it look like it was made to operate the new system. The new system never fails to ignite the powder, which makes it a better gun even though it's less authentic, which I admit I don't really...
  10. Gooddaytoya!

    Breech plug thread Grease.

    Makes sense. I've heard about that purpose for bearing Grease. I'll take your advice and go with the permatex. Thank you.
  11. Gooddaytoya!

    Breech plug thread Grease.

    I've read many times that you have to use special grease on the threads of a breech plug. What is special about breech plug grpease? Would wheel bearing Grease work just as well?
  12. Gooddaytoya!

    Bobby Hoyt .577 rebore

    Paraffin is pure slipperiness, and sounds like a good choice. Question: I read on the forums a lot that petroleum products plus gunpowder plus fire equals tar. Is that not true with paraffin? Other than that possibility, to me, paraffin seems like a better choice than beeswax for making a slick...
  13. Gooddaytoya!

    carbon ring problems

    Maybe there is something going on right at that spot that's giving the carbon a base to cling to. Perhaps some really tough subtle fouling (I didn't say rust lol) that you can't even see. I'm only capable of limited advice, but scrubbing my barrel with the Poor Boy method sure shined up my...
  14. Gooddaytoya!

    Swivel gun plus old-fashioned brownimg.

    That's the lock allrght. I took it to a gunsmith asking him to make the spring stronger, but he cobbed in some spring that was even weaker. Also I didn't know how to clean barrels so that was a problem. It must have been quite cheap or I never could have bought it back then.
  15. Gooddaytoya!

    Swivel gun plus old-fashioned brownimg.

    Don't even remember LOL.
  16. Gooddaytoya!

    Swivel gun plus old-fashioned brownimg.

    My first muzzleloader, in the mid-70s was a swivel gun. It had two barrels, one lock, one trigger of course. You loaded both barrels, fired one, twisted the barrels until you could feel the detent engage, then fire the other barrel. The barrels were only 30 inches long, and the lock was half as...
  17. Gooddaytoya!

    Pic of the full length of this old rifle.

    Too late now. I already sanded the breech plugs and a bit of the rear of the barrel with 320 grit sandpaper. That brought out the unusual markings on the breech plug. It would be hard to convince me this gun has any intrinsic value other than as a no-name no-maker modern replica trade gun worth...
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