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Surprising 500/590 series failure mode

Discussion in 'Shotguns' started by MikeJackmin, Jan 11, 2017.

  1. MikeJackmin

    MikeJackmin Member

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    This reddit thread links to a video demonstrating how a 500-series shotgun can be disabled by a one-foot drop to the ground:

    https://www.reddit.com/r/guns/comments/5n9jb5/mossberg_500_series_shell_lifter_issues/

    The impact with the ground displaced one of the pins holding the shell lifter in place. Attempting to cycle the action after this point will result in a serious jam.

    Clearly this seems to have had little real-world impact, but it seems like kind of a big deal to me.
     
    Laphroaig likes this.
  2. Laphroaig

    Laphroaig Member

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    Thanks for posting that. We have a couple of 500's in our family. I always thought of them as inexpensive, dependable workhorses. If that ever happens, now I'll know how to fix it.
     
  3. MikeJackmin

    MikeJackmin Member

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    Rather the jiggling the fore-end as displayed in the video, I think it might be easier to just grasp the lifter directly and slide it into position.
     
  4. gulogulo1970

    gulogulo1970 Member

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    Well, don't drop a Mossberg in that specific way. I know all manner of things can happen in a fight but dropping a gun has always been taught to me to be a major faux pas.

    Good to know, but I suspect if this was a prevalent problem it would have reared its ugly head many times before now.
     
  5. Virginian

    Virginian Member

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    Did the Russians conduct this test ?
     
  6. rule303

    rule303 Member

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    I have seen it happen a few times with 500's that were dropped, but that's out of thousands of guns I have had in for repairs. I think some of those were the owner trying to disassemble the gun, and trying to drive out a pin which was actually the shell lifter. I suppose if you were really concerned you could drill and tap the lifter pins and put screws in with large enough heads to overlap the holes. Anything mechanical can fail under the right (wrong?) circumstances. I personally think the 500/590 series is the most reliable shotgun on the market out of the box.
     

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