Can you ID these convertable .22 cylinders?

[fatelk]

I picked up a couple .22 revolver cylinders in with some other stuff, and don't know what they fit. They are very close to a Heritage Rough Rider, but the front bearing surface is a little short and too wide to fit. They don't fit a Ruger as the cylinder pin hole is too small.

Those were the only two I have to test. Any ideas? The OAL of the cylinders is 1.618".

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[Remiel]

Looks like Harrington and Richardson 22 cylinders, let me grab mine and take a picture

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[Remiel]

Ok, maybe nothttps://uploads.tapatalk-cdn.com/20211108/8800f811ebb63d448a5e1ab693303a7f.jpghttps://uploads.tapatalk-cdn.com/20211108/e693bc0d604fc924de6cd6f2b4f6f02e.jpghttps://uploads.tapatalk-cdn.com/20211108/cda74c1a378ef9641285e3eebc80315c.jpghttps://uploads.tapatalk-cdn.com/20211108/b88a3545c698c736bd6660942b33193a.jpg

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[Winger Ed.]

Back in the 70s there was a lot of Colt SSA in .22LR/.22Mag floating around, and a bunch of cheap knock off foreign ones.
I had a F.I.E. one myself in .22LR.

If a .22 SSA came with both, I can see the 2nd cylinder getting loose and ending up in a junk box.
Without a frame from different makers to try it in, I don't see how you'll ever nail which gun yours will fit.

[fatelk]

Thanks for the photos. The index star looks smaller on those. The other interesting thing is the almost complete lack of markings on these. Here's a photo of the only markings, on the LR cylinder.

I suspect that the magnum cylinder has been modified, or at least cleaned up. It looks machined on the breech end, and slightly larger in diameter. Here are some measurements:

Cylinder OAL: 1.618"
Cylinder body length: 1.450" (mag cylinder 1.440")
Bearing surface length: .078" (mag cylinder .076")
Bearing surface diameter: .430" (mag cylinder: .500")
Cylinder diameter: 1.400" (mag cylinder 1.430")
Cylinder pin hole: .220"
Index star diameter: .565"

These might be junk, or they might be worth hanging on to. I'm just curious. Thanks!


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[FLINTNFIRE]

Years ago I was offered a colt 22 with 2 cylinders , when I said I would buy it the less then man of his word then wanted me to trade or sell it for him , I picked it up after work on way to show , the magnum cylinder would not fit right , a wise man at the show suggested I fit the cylinder and keep it as he said they shot better then the ruger single six .

I did end up fitting the cylinder and it did indeed shoot better then any ruger single six I have owned , but I kept my word and found a buyer for it , he got his money , I did not keep the pistol or a penny of what he wanted for it .

I believe the original store had a pair of colts and with no numbers they got mixed there . It always amazes me at the number of rifles being offered for sale with no bolt or magazine , good luck with identifying them .