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Thread: Reducing trigger pull

  1. #1
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    Reducing trigger pull

    Not that I'm doing this, but if we were working on a Ruger VaQuero how could I determine about how many coils of the factory spring I would need to remove to take it from a 12 lbs trigger to a 7 or 8 lb.? I thought of counting the coils and dividing into 12 but that doesn't seem to work. Any thoughts?

  2. #2
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    Cutting coils is the wrong way to reduce spring force. The proper method is to reduce spring wire diameter. Go to gunsprings.com and order a reduced power trigger spring for $3.49

  3. #3
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    If you have a Vaquero with a 12 lb trigger pull, it may need more than a limber spring kit. Like a visit to a gunsmith or a return to the factory.
    I have a few facts and a lot of opinions.

  4. #4
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    Thanks guys, you are right. But I'm trying to research an answer to a test question. I know the correct way would be to replace the spring but they want to know if we did cut, how much of the spring coils I would have to take off

  5. #5
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    rate = ( wireDia^4 * 1470000 ) / ( coilDia^3 * numCoils )

    Formula doesn't work if you have a progressive coil or a flat spring and you didn't say if you are going to stretch the spring out to the original working length or leave it short by the number of coils you cut off. I'm glad I'm not taking this test.
    1934 National Firearms Act, 1968 The Gun Control Act, 1986 Firearms Owners Protection Act, 1993 Brady Handguns Violence Act, 1994 Assault Weapons Ban, 1995 Gun Free School Zones Act, NO MORE COMPROMISING

  6. #6
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    Good points. The way the question reads is "Cowboy shooters like to take the 12 pound triggers of their Ruger Vaqueros down closer to 7 or 8. About how many coils of the factory spring would need to be removed to achieve this 3 to 4 pound reduction"

  7. #7
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    Sorry, I am too many years away from my non-mechanical engineers' one class in engineering mechanics to do a calculation based on spring load and spring rate for you.

    But the question is nonsense.
    As I said, a normal Vaquero will not have a 12 lb trigger pull and a CAS competitor would not settle for a 7 or 8 lb trigger pull.
    And 12 to 7 or 8 is not a 3 or 4 lb reduction, it is a 4 or 5 lb reduction. If the questioner can't do arithmetic, how can he expect you to do more complex calculations?
    I have a few facts and a lot of opinions.

  8. #8
    This posts is*very*informative.*Thank you!

  9. #9
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    The simplest way is to polish the engagement surfaces of the trigger and sear.
    This leaves a smoother pull, which is also lighter by the reduction of friction.

    I've never done it with a Vaquero, but with DA revolvers, (S&W Mod 15 and a Taurus Mod 66), I've removed the sideplate, squirted in toothpaste with the gritty polishing pumice, replaced the sideplate, and dry fired till my wife threatened divorce. Clean toothpaste out and enjoy.
    Molon Labe
    <><

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