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What role does the grip and thumb safety play?

Discussion in 'Handguns: Autoloaders' started by PinnedAndRecessed, Sep 20, 2006.

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  1. PinnedAndRecessed

    PinnedAndRecessed member

    Aug 10, 2004
    In a 1911 pistol, what role does the grip safety play? Does it solely impact the trigger?

    And the thumb safety? Does it also solely impact the trigger, or does it contact the hammer?

  2. 45auto

    45auto Member

    Dec 30, 2002
    On "standard" type 1911's the grip safety only blocks the trigger bow.
    Kimber and S&W have FP safety systems that also operate off the grip safety...dual function.

    The thumb safety blocks the sear, not the hammer. The hammer can't fall because the sear won't move. When engaged, the thumb safety also prevents the slide from being racked. And, ;) , the thumb safety is one half of the equation in keeping tension on the plunger tube spring and parts, which allows the slidestop to function properly.

    I'd guess JMB probably wasn't happy until a single part performed more than one function. :) Smart fellow!
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