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Thread: 22WRFM chambering

  1. #1
    Join Date
    Sep 2014
    Posts
    104

    22WRFM chambering

    I've been tasked with fitting and chambering a barrel in 22wrfm (22 Mag). Client send a 22Rf barrel. I understand there is a difference in the bore diameter of these. Do they make a reamer with the correct pilot size to use the 22rf barrel and chamber to 22wrfm and what are the consequences of doing it?

    Jim

  2. #2
    Join Date
    Feb 2003
    Location
    upstate, N.Y.
    Posts
    3,006
    WRM is.224”, if you got a RF match barrel it is going to be, probably .220”.
    The consequences are several and all bad. If he blows up a case that’s a big one.

  3. #3
    Join Date
    Sep 2014
    Posts
    104
    What about the Ruger Single-Six with two cylinders and only one barrel?

  4. #4
    Join Date
    Feb 2003
    Location
    roanoke,va.
    Posts
    271
    Quote Originally Posted by Jim Kobe View Post
    What about the Ruger Single-Six with two cylinders and only one barrel?
    Ruger uses the larger dia. barrel in these revolvers.

  5. #5
    Join Date
    Aug 2015
    Location
    Ohio - Land of the "Mogs"
    Posts
    118

    Saami specs

    Probably should peruse the SAAMI specs:
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