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Shoot 9mm in a 627 somehow?

Discussion in 'Handguns: Revolvers' started by HoosierQ, Sep 23, 2011.

  1. HoosierQ

    HoosierQ Well-Known Member

    So I have a 627-5 which is set up to work with or without the 8 round full-moon clips in .38 and .357.

    Would there be a way to shoot 9mm out of this thing? Maybe special moon clips?
  2. PO2Hammer

    PO2Hammer Well-Known Member

    Probably not. The 9mm case is wider at the rear than the .38/.357 so the chambers would have to be reamed, the 9mm bullet would have to travel through the longer .357 chamber unsupported until it reached the throat. Gas would get by it and it could hit the end of the chamber out of alignment.
  3. BCRider

    BCRider Well-Known Member

    I just realized that I said all the same things as PO2hammer..... And here I thought I had something to add... :D
  4. HoosierQ

    HoosierQ Well-Known Member

    Thanks guys. I got not desire to mod the thing. It was just a thought.
  5. Radagast

    Radagast Well-Known Member

    There were a couple of short runs of 627s in .38 Super. Some of them made it here to Australia, where it has been common to ream them to accept 9mm. 9x19 in a 9x23 sized cylinder is less likely to have issues than 9x19 into a 9x32 cylinder though. If you really want to go the 9 x 19 road, have a look for a .38 Super 627.
  6. TonyT

    TonyT Well-Known Member

    I have seen a 627 modified to handle 9mm but my limited observation indicate it was problematic. If you want to use a shorter case go for either the 686 or 627 which were offered in 38 Super by the S&W factory.
  7. shooting4life

    shooting4life Well-Known Member

    You would need to get the cylinder reamed out to accept 9mm andthen you would need to use 38 super moon clips. I am planning on doing this conversion on one of my 627's. I purchased an extra cylinder so I don't have to modify the original. Accuracy should be acceptable as long as your not shooting bullseye or anything.
  8. ugaarguy

    ugaarguy Moderator Staff Member


    You can have it rechambered to shoot 9x23 / .38 Super / 9x19 (with moon clips of course), and lose .38 Special / .357 Mag capability.

    You can order a spare cylinder from S&W, have it fitted to your gun, and then get the spare cylinder chambered for the rimless cartridges.

    Good info here - http://www.pinnacle-guns.com/revolver.asp
  9. Brian Williams

    Brian Williams Moderator Emeritus

    Yes, Go to Mark at Pinnacle, he did a 642 cylinder swap conversion for me, very well done and good pricing.
  10. TonyT

    TonyT Well-Known Member

    Paying $275 for the conversion plus the cost of another cylinder get's you vitually half way to the cost of the gun chambered in 38 Super from the factory.

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