1849 .22 Cartridge Conversion Completed!

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Last year I bought a very rough 1849 Colt reproduction. It appeared to be a kit-gun that had been assembled with no attempt to finish the parts; the brass trigger-guard and frame were as-cast, and the steel parts weren't much better. The one-piece wood grip was not matched to the frame at all. The locking bolt was missing. Here's what it looked like when I first saw it-
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First thing was to replace the locking bolt. I bought an Uberti part and managed to modify it to make it work. That done I turned down back of the cylinder on the lather and bored through the chambers, then lined them for .22LR. I cut the barrel down and profiled it in the style of 'Avenging Angel' pistols popular with early Mormons, them bored out the rifling and sleeved it with a .22/5/16" rifled barrel-liner.

The breech-plate is made from 1/4" 5160 spring steel, and has a loading aperture and a rebounding firing pin. Once I was getting reliable ignition I finished and polished the metal parts, fitted the wood and reshaped the base of the handle to be much flatter. The wood is finished with Carnauba wax. I mounted a post front-sight and cold-blued the parts; I'll finish them properly after I've tested it and made sure that everything is working right.

Here's the gun as it looks now-
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Linda's comment was, 'Avenging Angel? More like an Irritable Cherub.' So this gun is now 'The Cherub.' I'll be trying it out this week when I go to the range. Pretty pleased with how it's come out.
 
That's really cool. I've always wondered why there weren't rimfire versions of all those black powder revolvers.

There were. One of the best known was the conversions of the 1858 Remington to 46 Rimfire.

In 1868 Remington signed a contract with Smith and Wesson to allow the conversion of the 1858 Remington Cap & Ball revolver to cartridges.

S&W had the exclusive rights to make cartridge revolvers with bored through cylinders per the Rollin White patent. Remington paid S&W $1.00 each as a licensing fee. The work was done at the Remington factory and then the converted revolvers were shipped to S&W for inspection. Close to 4,500 revolvers were converted to rimfire this way. Interestingly enough, the new cylinders had five chambers rather than the original six.


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Now here is something that should interest Michael Tinker Pierce because he will appreciate the work that went into it.

This is a typical Smith & Wesson Number 2 Old Army revolver, chambered for the standard 32 Rimfire cartridge.. This is a Tip Up design, and it was the most powerful revolver S&W produced until the the Top Break models were introduced in 1869. This is a pretty late one, it left the factory in 1870.

No%202%20Old%20Army%2032%20RF_zpstvyooh4g.jpg




This photo shows how one loads a Tip Up. You disengage the latch at the bottom of the barrel, rotate the barrel up, pull the cylinder out of the frame, and use the rod under the barrel to poke out the empties. Then you reload the cylinder with fresh cartridges, pop the cylinder back into place, and rotate the barrel back down. You can see the latch at the bottom of the barrel assembly that latches the barrel in place.

No%202%20Old%20Army%2032%20RF%2002_zpsoiq747wy.jpg





I came across this one last year and had to grab it. It left the factory in 1862. At some point in more modern history, it was converted to 22 rimfire.

No%202%20Old%20Army%2022%20RF_zpsg6y2owkd.jpg





The chambers were sleeved for 22 Long Rifle. Notice the 'ejector rod' under the barrel has been nicely turned down so it can pop out 22 RF cartridges.

No%202%20Old%20Army%2022%20RF%2002_zpsmvtc5afd.jpg


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The bore was sleeved for 22 RF too. In addition, some metal was welded onto the integral firing pin to extend it 'down' a bit so it would hit the rims of 22 RF ammo.

Old%20Army%2022%20Conversion%20chambers%2002_zpscv1io6lh.jpg



Because of its age, I was reluctant to shoot it with modern 22 Long Rifle ammo. I'm sure the sleeves could take it, but I was concerned about the extra stress Long Rifle ammo would put on the pivot screw and the rest of the frame. However I did take it to the range and fired some very mild CCI 22 CB Longs out of it. They are even milder than regular 22 Shorts.

I won't fire it much, concerned about wearing away the weld on the firing pin, but it was great fun to shoot a little bit, and a terrific novelty gun.
 
Tinker,

Nice work, once again. Tell Linda that this Mormon and big fan of Patch Rockwell rather likes the new title. Wow, 12 to 15 hours is a lot of time for a machinist! So if we send you a 1849 .31, what would you charge for just the conversion work without the barrel bob and all? Sort of just teasing, but there does seem to be some interest.... unfortunately you might need an FFL for that. Perhaps just a conversion cylinder and the customer worries about relining the barrel?

I am curious, I understand using a barrel liner for the barrel, but did you just use a #1 drill to make the chambers in the cylinder as is recommended for chambering a newly lined barrel by some folks?

We had a high schooler on THR a few years back that ended up leaving us for the Navy that did at least one RF conversion. I think it was a brass frame Remington "63" .31 IIRC.

One of the conversion cylinder outfits makes a conversion unit for the Remington NMA that allows firing .22LR through a 1.5 inch barrel concealed in the .44 barrel. Thus one might have a Remington NMA in .44 C&B, , 45 Colt and .22 LR.......if one is willing to pay more for the conversions than buying two new guns.

-kBob
 
Tinker,

Nice work, once again. Tell Linda that this Mormon and big fan of Patch Rockwell rather likes the new title. Wow, 12 to 15 hours is a lot of time for a machinist! So if we send you a 1849 .31, what would you charge for just the conversion work without the barrel bob and all? Sort of just teasing, but there does seem to be some interest.... unfortunately you might need an FFL for that. Perhaps just a conversion cylinder and the customer worries about relining the barrel?

I am curious, I understand using a barrel liner for the barrel, but did you just use a #1 drill to make the chambers in the cylinder as is recommended for chambering a newly lined barrel by some folks?

We had a high schooler on THR a few years back that ended up leaving us for the Navy that did at least one RF conversion. I think it was a brass frame Remington "63" .31 IIRC.

One of the conversion cylinder outfits makes a conversion unit for the Remington NMA that allows firing .22LR through a 1.5 inch barrel concealed in the .44 barrel. Thus one might have a Remington NMA in .44 C&B, , 45 Colt and .22 LR.......if one is willing to pay more for the conversions than buying two new guns.

-kBob

Oh, the actual machining took about 2 hours. There was a lot of hand-grinding, trying to adapt a part from another manufacturer, lining and reaming the cylinders, grinding and polishing, fussing with the timing, making the breech-plate (a challenge with the mill not up and running yet.) There was also a lot of time troubleshooting and figuring out exactly how the gun works so I could diagnose what needed to be done, adjusting the timing etc. Bear in mind, this was the first time I've done a cartridge conversion that included a caliber change, and I started with a gun that didn't work.

As to making one of these- Gary Lee Barnes will do a better job and for about what I would have to charge if it was legal for me to do a conversion for sale. It's not- according to the ATF if I convert a cap-and-ball to fire cartridges I am 'manufacturing a firearm' and require proper licensing to sell them. That's a can of worms I just don't want to open; this is a hobby, and I plan to keep it that way.

To make the chambers I drilled them with a 5/16" bit as the liner used is .22/5/16". I hammered sections of rifled barrel-liner into place, cut them to length, reamed the cylinders with a .221" drill bit then ran a .22LR chamber-reamer into them. Seems to work well enough; I have test-fired the gun and shells don't stick in the chambers. I'll know more after I get to the range later this week.

My next conversion will be to .38 S&W; a buddy is sending me a brass-frame .44 in exchange for some other work, and I already have a cylinder lined and reamed for the caliber. I already reload .38 S&W so it works out logistically, and the cartridge is low-pressure/low-recoil enough not to over-tax the brass frame. After that I need to purchase a Kirst gated conversion in .45 Colt for a Walker project- that one will get reamed out for .45-60 Walker, which ought to be a hoot!
 
I have one of the 1970s "Legal Defender" conversions to .38 S&W. Meant for last ditch self defense with mailorder C&B and LD cylinder in repressive jurisdictions. Pretty poofty, but accurate... after I had FLG line the barrel to .358".


The S&W board comes up with a .22 conversion of this and that every once in a while. A No 3 New Model or Triple Lock makes a BIG .22.

There was an old time gunsmith who specialized in rebuilding the Colt Lightning. A grip frame reshaped to plowhandle, lockwork converted to SAO and voila, you have an ancestor of the Single Six. Most were converted to .22, I just saw a picture of one left in .38 LC recently.
 
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OK, I goofed- the firing-pin hole is too big, and the cartridge bases are bulging and jamming things up. Annoying, but fixable. As of last night I also have a parts gun on the way, which is nice.
 
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