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  1. #1
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    Dec 2011
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    Default Smith&Wesson 9mm compact question

    I just recently noticed my slide does not lock open after the last shot is fired. what is causing this change?

  2. #2
    Join Date
    Jan 2008
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    Henryville, Pennsylvania
    (Monroe County)
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    Default Re: Smith&Wesson 9mm compact question

    WElcome aboard to the board Loyd.

    In the future whenever you ask a question like that it would be helpful if you post the following information so we can better know how to help you.

    1) Gun mAker name

    2) Caliber of Gun

    3) type of Gun (e.g revolver , Pistol shotgun , rifle etc.)

    4) model of gun , e.g Smith &Wesson 3913 compact 9mm.

    However some members on here will attempt to answer your questions without really knowing what you are talking about.

  3. #3
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    Default Re: Smith&Wesson 9mm compact question

    Without knowing further details, my first suggestion would be to try a different magazine.

  4. #4
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    Default Re: Smith&Wesson 9mm compact question

    The title says M&P9 compact, so I think that would answer some questions.

    To the OP I second the mags. I would also like to know if you are using reloads or factory stuff...

  5. #5
    Join Date
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    Lehigh Valley, Pennsylvania
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    Default Re: Smith&Wesson 9mm compact question

    Sound like weak mag spring to me.

    BTW. the title said Smith&Wesson 9mm Compact.

  6. #6
    Join Date
    Mar 2011
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    Pittston Twp., Pennsylvania
    (Luzerne County)
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    Default Re: Smith&Wesson 9mm compact question

    1.Thumb position on weak hand. Fire till empty with one hand to see if it locks open

    2.Mag spring

    3.Ammo

  7. #7
    Join Date
    Mar 2008
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    Sciota, Pennsylvania
    (Monroe County)
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    Default Re: Smith&Wesson 9mm compact question

    Upgrade to stronger springs for the mags. You can never go wrong with a beefed-up spring. Then check your grip/strong hand shooting. If you bought the gun used, check and see if someone installed a buffer. Slim chance, but sometimes buffer/ammo combinations can cause slide-lock problems. Keep us up to date.

  8. #8
    Join Date
    Nov 2007
    Location
    Chambersburg PA (Pure Appalachia), Pennsylvania
    (Franklin County)
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    Default Re: Smith&Wesson 9mm compact question

    Here's another shot in the dark:

    The magazine follower may not be properly engaging the slide-lock. Problem could be defective or damaged follower OR d/d slide-lock

    or crud build-up/lack of cleanliness. . . . or . . . .


    BTW, accurate description will aid diagnosis enormously.


    Flash
    "The life unexamined is not worth living." ....... Socrates

  9. #9
    Join Date
    Dec 2011
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    Covington, Louisiana
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    Default Re: Smith&Wesson 9mm compact question

    Thanks to eveyone who offered potential contibutors to my slide not locking open after the last round was fired. The cause was a magazine issue. I acquired a third magazine and it worked fine. I went back to my original two magazines, and once I loaded them into the gun, and made sure they were seated firmly with a nice rap with my hand, they are also working. Again, you guys gave me a great clue in what to look for. Lloyd Turner

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