Trigger failed to reset.

Discussion in 'M&P Forum' started by cvia, Dec 4, 2012.

  1. cvia

    cvia New Member

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    I have a M&P 40. I've shot about 500 rounds now and I had the trigger fail to reset last range trip. I tap and racked problem solved. Never happend again. I'm pretty sure I limped wristed it on the shot before. Was only using one hand for training purposes. Any ideas as to why this happened?
     
  2. cvia

    cvia New Member

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    Nothing?! Man. Must be in the wrong place then. Oh we'll.....
     

  3. nickel1911

    nickel1911 New Member

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    Sounds to me like the mag wasn't fully seated. Most m&ps are equipped with a magazine disconnect safety that will not allow the firing pin to release when the mag isn't seated properly. When initially inserting your mag, make sure your giving it a good tap to ensure proper seating. Hope that works for you
     
  4. robocop10mm

    robocop10mm Lifetime Supporting Member Lifetime Supporter

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    Did you eject a live round when you racked? If not, you did not have the mag seated properly. If you did, you may have a problem. How many rounds through the gun? after 1000 rounds or so, you may have enough debris inside to interfere with the proper functioning. I always recommend a good detail clean every year or 1000 rds, whichever comes first.
     
  5. cvia

    cvia New Member

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    Mine does not have the mag disconnect. It will fire with no magazine. It happened mid magazine I tap to check the magazine and racked out the live round. Then continued shooting. I clean the weapon well. It's been a one time thing.
     
  6. robocop10mm

    robocop10mm Lifetime Supporting Member Lifetime Supporter

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    Very strange. My best guess is a bit of debris hung up in there and cleared out. By Detail clean I mean stripping the frame and slide and cleaning ALL the nooks and crannies. You would be amazed what builds up in a firing pin/striker channel in a slide after only a few hundred rounds.
     
  7. cvia

    cvia New Member

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    I have not detailed it yet. I only take off the slide and barrel And spring. Then I clean every thing I can get to. I might have 750 through it and that's guessing high.