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  1. #1
    Join Date
    Jan 2009
    Location
    Walla Walla, WA
    Posts
    27

    Default Star firestar M43 9mm to 40 S&W conversion

    Will a firestar 40 S&W slide, barrel, recoil spring and magazine fit the Firestar M43 9mm? In other words can I make a 40 S&W out of my M43 9mm by just replacing the slide, barrel, recoil spring and magazine? thanks, rj

  2. #2
    Join Date
    Dec 1969
    Posts
    274

    Default

    Add an slide stop, and yes, you got it.

    I am an international patron of Gunboards

  3. #3
    Join Date
    Dec 1969
    Location
    Backwoods Virginia
    Posts
    1,383

    Default

    The proviso being that it might be tight in some places due to manufacturing differences and minor fitting may be required. I believe (not positive on this) that the recoil spring is the same for both 9mm and .40; STAR will know for sure.

    The Firestar Plus is a different kettle of fish, however.

    M

  4. #4
    Join Date
    Dec 1969
    Posts
    274

    Default

    Quote Originally Posted by MGMike View Post
    The proviso being that it might be tight in some places due to manufacturing differences and minor fitting may be required. I believe (not positive on this) that the recoil spring is the same for both 9mm and .40; STAR will know for sure.

    The Firestar Plus is a different kettle of fish, however.

    M
    Yes, what Mike says is also true, minor fitting may be needed in case the slide is a bit tight on some spots.

    Regarding the recoil spring, it's not the same for the M43 and M40, being heavier the M40 one.

    I am an international patron of Gunboards

  5. #5
    Join Date
    Dec 1969
    Location
    Missouri
    Posts
    152

    Default

    I own both and can swap slides between them with no problems. I looked for a M43 9mm slide for my M40 and found it was easier just to buy a complete M43 than it was to buy the slide and all parts to convert the M40.

  6. #6
    Join Date
    Feb 2008
    Location
    West Michigan Lakeshore
    Posts
    730

    Default

    Quote Originally Posted by 12Bravo View Post
    I own both and can swap slides between them with no problems. I looked for a M43 9mm slide for my M40 and found it was easier just to buy a complete M43 than it was to buy the slide and all parts to convert the M40.
    And the converse is probably true. You could probably buy a M40 for less than the parts to convert a M43.
    This post contains the Amish virus. Since the Amish have no electricity or computers, you are on the honor system. Please delete all your files. Thank you

  7. #7
    Join Date
    Dec 1969
    Location
    IN.
    Posts
    17

    Default

    I Have A Question . Can I Use A M40 Magazine In My M43 ?

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