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Lostinidaho
10-16-2019, 10:30 AM
For those that are shooting a Joslyn carbine, what are you using for cases. Did you buy cases from RCC brass? Do you make your own from .50-70 or 56-50 Spencer? Did you convert from rimfire to centerfire?

Thanks In Advance

Lost

WBR10654
10-18-2019, 06:08 PM
For those that are shooting a Joslyn carbine, what are you using for cases. Did you buy cases from RCC brass? Do you make your own from .50-70 or 56-50 Spencer? Did you convert from rimfire to centerfire?

Thanks In Advance

Lost

I have never seen one on the line.

How do they shoot?

DPB

Lostinidaho
10-18-2019, 07:12 PM
I understand they shoot well. See a few for sale but they are a rim fire. Just wondering what people do to make them operational.

Richard Hill
10-19-2019, 12:06 PM
The gun will shoot with 56-50 cases modified to rimfire, but will also require a permanent modification to the breech closure and firing pin. The original pin will just clip the rim and will not hit the .22 case. I found a breech piece to replace the original and modified it to work, which it does just fine. I use an Accurate Moulds 56-450S. I am going to try to find somebody to convert it centerfire, or do it myself. Cases come from Rocky Mountain Cartridge without the centerfire primer cup.

Lostinidaho
10-19-2019, 03:50 PM
Thanks Richard,

That's too bad about the firing pin not hitting the .22 primer. I am assuming the firing pin is striking the very outside of the rim of the case and that the .22 primer is not or can be located far enough out to be hit consistently or at all.

How hard was it to find an extra breech block? I am assuming difficult. I don't see many parts for the Josyln.

I have wondered on the larger cases which people have put in a .22 primer in...why not machine in a primer cup?

Muley Gil
10-19-2019, 03:59 PM
Thanks Richard,

That's too bad about the firing pin not hitting the .22 primer. I am assuming the firing pin is striking the very outside of the rim of the case and that the .22 primer is not or can be located far enough out to be hit consistently or at all.

How hard was it to find an extra breech block? I am assuming difficult. I don't see many parts for the Josyln.

I have wondered on the larger cases which people have put in a .22 primer in...why not machine in a primer cup?

A .22 blank has the primer compound in the rim. A center fire primer has the primer compound in the center and you can't physically get it close enough to the rim for a rimfire firing pin to strike.

Carolina Reb
10-19-2019, 09:24 PM
You might want to try a 22 primed case before giving up. A friend had a '62 Joslyn carbine that would fire them. Most won't though. My Springfield Joslyn rifle won't fire them either. I did machine some 50-70 cases to take just the cut off head of a 22 blank right out at the edge of the rim. They work reliably, but it is a LOT OF WORK, and you need a milling machine to maintain the tolerances required. Also, you will set off about 1 in 10 blanks when you cut of the heads.

I have shot that rifle in BL II, and it keeps up with the Sharps rifles with no problem. Groups off a bench are about 1 1/2 inches at 50 yards.

Lostinidaho
10-19-2019, 11:11 PM
I wish that the news was better on a Joslyn carbine and its shoot-ablity or its prospects of shoot-ability.

I like the odd carbines, but a non-shooter is no fun, at least for me. But I don't like to alter a carbine too much to make it shoot-able.

I am up for hearing advice or sugestions