My M&P 15-22 went full auto!?
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Thread: My M&P 15-22 went full auto!?

  1. #11
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    Welcome to the forum! As others have stated you need to get that fixed despite how fun it could be. Got any pics of this rifle?
    I keep a gun because I'm too young to die and too old to take an ass whoopin'!

    "Firearms stand next in importance to the Constitution itself."
    George Washington


  2. #12
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    to the forum from SE Indiana. If it's a new firearm,send it back. If you screw something up trying
    to fix it you will probably void the warranty. Don't keep it as is because doing so could put you in legal jeopardy
    that would result in quite an expensive adventure.


    Dick
    Curt360 and jeepnut like this.
    IGNORANCE IS THE MOST EXPENSIVE COMMODITY THAT YOU CAN OWN

  3. #13
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    I would send it back in. The only rifle that ever did that to me was an M1 carbine. After the initial shock, it was hard to wipe the smile off my face. I tried and tried but I couldn't get it to do it again.....
    Thewelshm likes this.
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  5. #14
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    Sounds like a stuck firing pin causing a slam fire.

    The rifle is brand new. There may be some metal chip blocking retraction of the firing pin, or even a lubrication issue. It should go back to the factory with a report of what happened.

    If you feel competent, you can open it up, inspect it and clean it. Take out the bolt and inspect it. If not, just ensure it's unloaded and get it back to Smith and Wesson customer service.
    jeepnut and Injunbro like this.
    Cheers! Marc


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  6. #15
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    What ever you do ,,, DON't TELL BATF LOL !!

    Send it back to Smith Wesson with letter of explanation .
    TO Ride, Shoot Straight, and Speak the Truth.

  7. #16
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    Quote Originally Posted by 1av8r View Post
    I found one report of a runaway on the Appleseed site.

    "I contacted S&W and they sent me a repair tag and shipped it back to them. Upon its return I noticed that they replaced the hammer, sear and all the springs were replaced with “Blue” springs. The rifle performed well after that but I never brought it back to an Appleseed. It now sits in the vault as an expensive club.”
    Last I heard the M&P 15-22 was banned from Appleseed events for out of battery discharges.

  8. #17
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    Quote Originally Posted by ChattanoogaPhil View Post
    Last I heard the M&P 15-22 was banned from Appleseed events for out of battery discharges.
    Yes. Noted. My quote was the only occurance I found of a runaway reported by an Appleseed instructor.
    ChattanoogaPhil likes this.
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  9. #18
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    I just bought a 15-22, and it started firing pseudo-full-auto after a few trips to the range. I found the hammer pin had walked out, and I assume it caused a 'bump-stock' type condition that caused uncontrolled, multiple rounds per trigger press. I may have gone further than I needed to - I replaced the trigger assembly with a Geissele SD3G, and added a KNS GenJJ Anti-Walk pin set. I haven't taken it to the range yet, but I hope to very shortly to try out my new setup!

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    Last edited by whatthedileo; 02-15-2019 at 11:10 PM.
    Injunbro, 1av8r and Breakaway500 like this.

  10. #19
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    Quote Originally Posted by whatthedileo View Post
    - I replaced the trigger assembly with a Geissele SD3G, and added a KNS GenJJ Anti-Walk pin set. I haven't taken it to the range yet, but I hope to very shortly to try out my new setup!
    You fixed it. Nice choice.

    Oh! Welcome to the forum. Please post a range report. I'm sure the Geissele took care of it.
    Last edited by 1av8r; 01-16-2019 at 04:11 PM. Reason: Welcome
    whatthedileo and Breakaway500 like this.
    ~Jerry | Buckeye Firearms | ORPA
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  11. #20
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    I answered your other post and see you replaced the hammer already. Like 1av8r said, great choice of FCG's. I love my Geissele SSP and G2S
    Breakaway500 likes this.


 
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