My gun Sparks!!! Huh?

This is a discussion on My gun Sparks!!! Huh? within the Defensive Carry Guns forums, part of the Defensive Carry Discussions category; I bought a S&W 642, and while dry firing it, it actually sparks near the firing pin. I am using Zoom snap caps. Any ideas?...

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Thread: My gun Sparks!!! Huh?

  1. #1
    Member Array skystud1's Avatar
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    My gun Sparks!!! Huh?

    I bought a S&W 642, and while dry firing it, it actually sparks near the firing pin. I am using Zoom snap caps. Any ideas?

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  3. #2
    Member Array Final Option's Avatar
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    Call S&W. sounds like something doesn't fit right and you might be getting contact between side of hammer and frame as hammer goes forward. Are there any rub marks or shiny spots on the hammer or frame in that area?

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    Most interesting... I wish I had an answer for you. Be sure to let us know what you find out.
    "Just blame Sixto"

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    Member Array skystud1's Avatar
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    Quote Originally Posted by SIXTO View Post
    Most interesting... I wish I had an answer for you. Be sure to let us know what you find out.
    well a little dab of oil on firing pin solved the problem.

  6. #5
    Member Array 22RSSIX's Avatar
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    I read about this on the high road.

    your not the only one that has a sparker.

    S&W 442 sparks like a flint!! - THR

    If you read through the 200 plus pages of the 642 thread it is not uncommon.

    I am not sure if it is safe or not. I have not read every post but calling S&W should answer your question for sure.

    After reading a few more threads. I see that it is normal and will go away after it gets "broken in".
    Last edited by 22RSSIX; February 2nd, 2008 at 09:54 PM. Reason: added more info.

  7. #6
    Member Array Erik's Avatar
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    I have a Smith that sparked a bit out of the box. After a few days of dry fire practice it went away. A certified S&W armorer checked it out soon afterward and decreed that all was well - and he was in a position and willing to fix anything that needed fixing.
    God, country, family.

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    VIP Member Array NCHornet's Avatar
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    Great!!! So when the lock fails you still have a firestarter!!!
    On second thought if it locks the gun up you won't be able to make it spark!! Darn, I thought I had finally solved the lock issue ! lol!!!
    When Seconds Count, The Cops Are Just Minutes Away!!
    Carry On!
    NCHornet

  9. #8
    Member Array rccolt.45's Avatar
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    I think what you have is S&W's new "flint lock" revolver.

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    VIP Member Array Supertac45's Avatar
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    A survival tool? First time I've ever heard of this problem.
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  11. #10
    Member Array skystud1's Avatar
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    She's still sparking after 500 rounds! Oh, well I guess its a stun gun combo!

  12. #11
    Member Array Jeremiah's Avatar
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    I noticed this on my 642 back when I got it as well. The 640 doesn't do it though.

  13. #12
    Distinguished Member Array sniper58's Avatar
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    Try changing ammo. I had the same problem and changed ammo and the problem went away. If it happens in rifles, the powder isn't burning in the barrel. The same holds for pistols.
    Tim
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  14. #13
    Member Array skystud1's Avatar
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    Quote Originally Posted by sniper58 View Post
    Try changing ammo. I had the same problem and changed ammo and the problem went away. If it happens in rifles, the powder isn't burning in the barrel. The same holds for pistols.
    Dry fire mostly. Its the firing pin!

  15. #14
    Member Array CURMUDGEON5's Avatar
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    Flint lock model.

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