is there a chip in my slide?

This is a discussion on is there a chip in my slide? within the Defensive Carry Guns forums, part of the Defensive Carry Discussions category; It might have something to do with relieving stress on the firing pin as the bbl drops to unlock. Fired brass shows the elongated firing ...

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Thread: is there a chip in my slide?

  1. #16
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    It might have something to do with relieving stress on the firing pin as the bbl drops to unlock. Fired brass shows the elongated firing pin indentation on the primer. Ask a S&W engineer...(call between 2am and 6am and ask for Rashid :)
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  3. #17
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    Quote Originally Posted by oneshot View Post
    I have PM'd my nephew who has a.40

    My 9c doesn't look like that.



    ^^^^^^^^^^From the underside looking up, that was in your pic.^^^^^


    But upon closer scrutinization,{from the top}, I'll be danged if its not there.

    Never noticed it the several times cleaning it before, but had to tear it down today to verify


    I stand corrected!!!!!!!!!!!
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    Quote Originally Posted by RevolvingMag View Post
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  5. #19
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    Lightbulb

    It might have something to do with relieving stress on the firing pin as the bbl drops to unlock. Fired brass shows the elongated firing pin indentation on the primer. Ask a S&W engineer...(call between 2am and 6am and ask for Rashid :)
    Makes sense to me...

    We had a lot of primer flow problems while Hot Rodding the .38 Supers at 180,000 Power Factor (like 50,000 PSI chamber pressures ) in order to make Major Caliber in IPSC (that's like a Nuclear Bomb going off in the chamber ).

    We solved the problem by running tighter tolerances on the firing pin and hole. BUT these M&P guns do unlock (come out of battery) quicker than the 1911's. Keep us posted on the findings, and thanks for posting!
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  6. #20
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    "normal and designed that way to prevent "flowed" primer material from being chopped off inside the firing pin hole."


    That sure is a new one on me. Glad that the issue is solved.

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