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Pitted cylinder

Discussion in 'Smith & Wesson Club' started by mike718, Mar 31, 2010.

  1. mike718

    mike718 NRA Member

    74
    0
    Jan 31, 2008
    San Diego, CA
    I just recently purchase a S&W 340PD last week. I went to the range this weekend to test it out. I shot 15 round of S&B 158gr FMJ and 5 round of Hornady Critical Defense 125 gr FTX. When I was cleaning it, I notice that the front of the cylinder is pitted and it was not like that before I shot it. I already know not to shoot anything in .357 Mag below 120 gr but what the H***?

    [​IMG]

    [​IMG]
     
  2. G33

    G33 Frisky! Millennium Member CLM

    28,011
    1,981
    May 29, 1999
    With G29
    Looks like flash scores on finish.
    Not sure if they use a clear coat on the black guns.
    They do on the silver ones.
    Best to ask smith Inc.
    :wavey:
     


  3. GOT_GLOCK

    GOT_GLOCK

    252
    0
    Oct 18, 2008
    Normal for the PD's it has a teflon coating on the cylinder face in the chambers and with some brands and loads it will allow the cylinder to score due to the extremely tight tolerances and the mixture of a relatively soft metal.

    I have a 340PD and it looks just abut the same as yours and I got a call tag but decided not to return it until got bad enough to not be safe or until the frame cracked whichever happens first.

    http://glocktalk.com/forums/showthread.php?t=1100537
     
    Last edited: Jun 24, 2010