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Firearms Legal Protection

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  1. #1
    I am a Forum User
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    Need a .40 barrel reamed to 10mm

    Looking for a gunsmith to ream a non-heat treated 40 S&W barrel to 10 mm. The manufacturer will be heat treating it later.

    I'm in he auburn/midland area.

    Thanks in advance for any information

  2. #2
    MGO Member balrog006's Avatar
    Join Date
    Jan 2010
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    SW of Grand Rapids, surrounded by chickens, Detroit some weekends.
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    Are you talking aboun reaming the chamber out to the longer 10mm dimensions? If not then the actual barrel is the same for both .40 and 10mm, .400" and 1:16 rifling so won't need to be changed.
    “Cui prodest?” Lucius Annaeus Seneca

  3. #3
    I am a Forum User
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    Yea, just need the chamber reamed deeper to the 10mm spec

  4. #4
    MGO Member Ol` Joe's Avatar
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    Might try Dick Williams in Saginaw.
    http://www.dickwilliamsgunshop.com/
    "Saepe errans, numquam dubitans --Frequently in error, never in doubt".

    The trouble with the Internet is that it's replacing masturbation as a leisure activity. ~Patrick Murray

  5. #5
    I am a Forum User
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    Plymouth
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    I reamed my 38 to .357 with a carbide cutter from Production Tool Supply.

  6. #6
    MGO Member
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    Jul 2002
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    Metamora
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    6,804
    Just wondering, if this being done to a semi-auto will the action handle it?

    What gun are you doing this to?
    Just because something is legal to do doesn't mean it is the smart thing to do.

  7. #7
    I am a Forum User
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    May 2003
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    Galesburg
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    Just buy another barrel.

  8. #8
    In Memoriam tenthumbs's Avatar
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    Nov 2008
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    Lapeer County
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    The M&P line is now available in 10MM. They are on some shelves now.

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