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Conversion Cylinder Problems

Discussion in 'Blackpowder' started by sjohns, Sep 21, 2006.

  1. sjohns

    sjohns Well-Known Member

    I have two Uberti 1858 models.
    One is a carbine, the other a millenium pistol.
    The cylinder fits and works well in the carbine, but not in the pistol.
    Its an R&D conversion drop in.
    When it is placed in the revolver, it will not cycle. Seems to be really tight.
    Its bad enough that if I tried to force it, I believe it would damage the hand.

    Any thoughts or theories about what's happening here?
  2. Third_Rail

    Third_Rail Well-Known Member

    Yep; "drop in" cylinders aren't always. :)

    What works for one gun may not work for another; if you were to fix it to work with the pistol, it may not work with the carbine! Best advice I could give is to just use it on one.
  3. Smokin_Gun

    Smokin_Gun Well-Known Member

    Is it tight on the cylinder pin or is it rubbing against the frame or forcing cone? Polish the pin up some, emery cloth, lap cylinder or trim frame. Could also be the hand fit/adjustment too tall or the likes. If you think it's a hand problem switch hands to see.
    That's about all I can think of. I'll ask a couple guys and see if I can find out anything more.
  4. sundance44s

    sundance44s Well-Known Member


    Something i`ve had to do on my cash of Remmies .. is take a little off the cylinder pin window inside of frame with a file not the forceing cone end of the barrel at all it isn`t binding against that at all and that gap needs to be left untouched ..got these instructions in the box my R&D drop in came in from Taylors .. you might want to check with Taylors first to confirm .. but thats what i had to do . I figured it must a common problem for them to have the instructions in the box , maybe all frames aren`t created equal .The drop in was a little too tight is some and causeing the cylinder to bind .. it would have binded after every shot like it was .if you do the work your self go slow don`t get to agressive with the file .You might want to send the gun to Taylors and have the work done if you haven`t been smithing on these pistols before .. i`ve heard from some that Taylors won`t even charge for this work . These Remmies have made quite a kitchen table gun smith out of me . Anyway its an easy fix .
  5. sjohns

    sjohns Well-Known Member

    hmm I better take a look at those instruction that are in that box.
    I just didn't expect it to fit one uberti but not another.
    And yes, it is binding in the rear area.
    Thanks guys!
  6. rifle

    rifle Well-Known Member

    Those conversion cylinders rub the frame under them toward the front. Some filing has to be done to the frame. You can put a thin coat of Purssian Blue or anything with color on the frame and see where the cylinder rubs it off to find the high spot on the frame. There's a possibility that the frame at the arbor is rubbing but there's more chance of the cylinder rubbing the frame towards the front underneath of the cylinder.If in doubt then send the gun and cylinders to Taylors and their excellant gunsmith will "fix er up fer ya".
  7. sjohns

    sjohns Well-Known Member

    I solved this problem by taking a dremel to the inside of the top strap.
    I pretty much used the appearance of light at the top of the cylinder/bottom of the strap to fit it.

    It was binding not only at the rear near the hammer slot, but near the middle also.
  8. 4v50 Gary

    4v50 Gary Moderator Staff Member

    Since the problem is solved and I'm a little late...

    for future reference to anyone reading this column, instead of Prussian blue (which costs money), try candle soot to the frame and forcing cone of the barrel to see where it's rubbing.

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