Non-convertible BP Revolver

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I’ve never seen a conversion cylinder for an NAA mini companion.

Search Gunbroker. There is one offered that only fits the “MINI COMPANION NAA 22LR-CB.” $269. I wonder what’s the point when you can buy one of their mini .22 cartridge revolvers for about $15 more.
 
As an aside the revolver with a conversion cylinder in it does not become a firearm until you cut a loading port in the recoil shield.
Unfortunately there are conversion cylinders which are taken out to load and have six firing pins in a plate attaching to the cylinder, these require no alteration to the frame.
This from Brownells’
”Six-round conversion cylinder converts steel frame, cap and ball revolvers to modern centerfire. Patterned after an original Remington design for a drop-in fit. Cylinder and back plate fit together without screws. To reload, just drop the cylinder, pull the plate off and dump the fired cases. Use in steel frame guns only, with black powder equivalent loads. No FFL required to purchase. Models for .44 caliber, 1858 Remington Italian replicas, Uberti and Ruger® Old Army™ are chambered for the .45 Colt cartridge.’

Note, “. . . drop in fit. . .”.
 
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To be very safe, save up and get an original, but you might find that they do fit some originals.
I’d suggest looking at getting an English Tranter or Adams, both were used by Union and Confederate soldiers so they’re still appropriate from a US point of view.
Good examples are pricey although I picked up one in neglected though virtually unused condition for $320 US.
The ones on International sites appear to be in good condition.
 
My two cents. I don’t personally know the OP, or want to judge him. I don’t know his legal circumstances. But….. giving advice to a self admitted felon on what handgun he can own seems risky and might just cast this forum in a bad light. That’s just my opinion.
 
There's no such thing as "can't be converted." The closest you'll get is choosing one that noone offers a drop-in conversion cylinder for. It might not be worthwhile and it might not be a good idea, but a half-skilled machinist could make anything fire a conventional round given the will and the time. I could fire up the lathe and the mill and have my kitchen faucet putting .22CB downrange by the end of the day if I felt like it.
 
You may want to look at the Uberti 1873 Cattlemen Percussion pistol. The firing pin and hole in frame are offset in such a way that some machining and possible welding would likely be required to convert it as far as I know. Also have not heard of any conversion cylinders being offered by anyone.

Believe it was made for markets that didn’t allow (or easily allow) cartridge guns, but still wanted the look of a 73 Peacemaker.
https://www.midwayusa.com/product/1002297696
I agree, the Peacemaker was made to be non-convertible. However, it looks too much like a real pistol and will easily be confused. I'd go to Gunbroker.com, and look for an older C&P pistol with a date code in the 70's or 80's. The cylinder was made shorter, so the conversions will not fit. Semper Fi.
 
Any revolver can be made to shoot cartridge. Some would require a lot of machining.
As far as the so called drop in conversions. None are made for the LeMat, Starr, Eli Whitney, Spiller and Burr, Colt Root. There might be others. Just have to look.
Single shot pistols? Just do as the Texas Rangers did, carry a few 😜
 
I live in TX and can legally own anything pre-1899 that doesn't fire cartridge ammunition, but the discrepancy b/t state and federal law is that under federal law anything that can be converted is considered a "firearm." In short, I don't want to run afoul of the law as a rehabilitated, conscious man.

I think I would seek clarification since there's no paperwork for a cap gun ( meaning the feds don't view them as firearms. If they did, they'd want paper.).

Pietta also made the cap gun "Peacemaker". I've worked on several and all are pretty nice!!
Good luck.

Mike
 
Is Forum Rule still in effect?
"10: We do not discuss conversion cylinders or anything to do with metal cartridges."

Does that apply to turning. 22 rifles into muzzleloaders ?
 
"Unfortunately there are conversion cylinders which are taken out to load and have six firing pins in a plate attaching to the cylinder, these require no alteration to the frame."

That's true however the gun with those type cylinders installed is not considered a firearm as no modifications have been done to it to convert it. That may seem strange but it is the law. I have a couple of those cylinders and I used to have a business selling muzzleloading arms including revolvers and parts/accessories which included conversion cylinders (bought from Taylors).
 
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