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I never heard of Rigarmi either, but it's a winner!
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My First Black Powder Firearm!
- Thread starter GLOCKer
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KingOfKindling
32 Cal
Yeah, could be an Actual #10 size. The new Uberti and Pietta guns must have changed things a bit to make the nipples fit both 10's and 11's. Even if they do that poorly.
I've actually got some new (2023-2024 guns) unmolested Pietta and Uberti 1860 cylinders. So I pulled a nipple from each to compare with with the Rigarmi.
To the naked eye it's kinda hard to see the differences. Lots of optical illusions. The Rigarmi cone is definitely a lot shorter looking though.
Took some calipers to all of them, and here's the data. The Rigarmi cone is definitely smaller in every dimension. Dunno if that makes it a true #10 or something smaller.
Thread Diameter and pitch is identical to Pietta, which I believe is 6x0.75 mm. A Pietta nipple threads cleanly into the cylinder, but it is way too long. Gonna see if I can find something to fit. If not, Pietta nipples could be shortened to work in a pinch.
That's a lot of difference. And like you said, the Pietta can be shortened.
Welcome aboard. I guarantee you that this purchase will not be your last BP firearm. Seems like every forum that I join costs me money!
This is by far one of the best, if not the best, forum that I belong to.
Enjoy but hold on to your wallet!
This is by far one of the best, if not the best, forum that I belong to.
Enjoy but hold on to your wallet!
KingOfKindling
32 Cal
Yep. I didn't find anything that was a perfect match.
Track of the Wolf sells these in stainless and hardened steel:
https://www.trackofthewolf.com/Search.aspx?search=PIR-ES
https://www.trackofthewolf.com/Search.aspx?search=PIR-EI
They are very close, the nipple cone is just a bit short. Don't know if it's enough to affect reliability.
GLOCKer, if your gun has the factory nipples, I'd be pretty surprised if they're not the same as mine. Might be best to try the ones above, or modify some Pietta nipples just to be safe. That or see if you can find some #10 percussion caps. I've yet to find any for sale the last several years.
I had some factory Pietta nipples from guns that have had slix-shot nipples swapped onto them. I've got a micro lathe, so taking material off of both ends of the Pietta nipples was easy. You can leave the longer threads, and they'll still fit the gun, but I was concerned about more fouling, and possibly trapping embers.
These things are harder than expected. I used carbide to cut them as it dulled the first high speed steel bit I tried. You could do the same with a drill and stones/sand paper, but it would probably take a while.
Slide on easy, and stay in place. I'll still likely seat them with a piece of wood or antler like normal. With the cones shortened, the bit the caps sit on is fatter the whole length. These make better #11 nipples on the Rigarmi than they ever would have on the Pietta they're made for.
Fired off all 6 perfectly. No cap jams. They all split and fell out the loading cutout.
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