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9mm 1911: Standard Mainspring weight?

Discussion in 'Handguns: Autoloaders' started by marklbucla, Sep 16, 2008.

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  1. marklbucla

    marklbucla Member

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    I know the standard mainspring weight for a .45ACP is 23#, but does that apply to 9mm variants as well?
     
  2. schmeky

    schmeky Member

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    MarkB,

    If you mean the hammer spring, then yes, it is 23# on the 9mm version.

    I run 17# mainsprings in all my 1911's, including my converted Colt 38 Super to 9mm.
     
  3. TexasRifleman

    TexasRifleman Moderator Emeritus

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    The hammer spring IS the mainspring on a 1911.

    The spring under the barrel is the "recoil spring".

    23lb is good for pretty much every caliber unless you're having problems.
     
  4. SureThing

    SureThing Member

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    What is a good weight to lower the trigger lbs, but still have good primer strikes?
     
  5. MICHAEL T

    MICHAEL T Member

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    A lighter spring won't really change the trigger that much. What it will do is allow the slide to come back faster . Remember slide cocks hammer . This slows slide and all spring work together.. A trigger job and adjusting the sear spring (spring under gripsafety) will lightned the pull. 4lbs for carry min.
    Leave the main spring alone.
     
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