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mossberg 500 old rocker vs new style bolt?

Discussion in 'Gunsmithing and Repairs' started by hotshot89, Jun 6, 2014.

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  1. hotshot89

    hotshot89 Member

    Jun 6, 2014
    Ok so I picked a new haven 600at same as mossberg 500 for cheap. I'm having issues with ejecting and extracting. Not everytime but maybe 6 out of 10. Its a older gun with the sn starting with a H and has the old rocker style bolt. So my question is will extractors for the new style bolt fit my rocker style or must I find extractors for the old bolt???? any info is greatly appreciated and info on whether other parts from the old vs new style will interchange .. shell elevator ect... thank you
    Last edited: Jun 6, 2014
  2. amd6547

    amd6547 Member

    May 27, 2006
    North Coast of OHIO
    Not sure on the bolt question...
    But, the Mossberg has the ejector screwed onto the left side of the receiver. On my older Mossberg, I started having some failures to eject, after many years of faultless shooting.
    I found that the ejector screw had backed out a couple turns.
    Tightened it back down, and used locktite.
    Seems to have fixed it...last range trip, no issues.
    BTW, there is a Mossberg forum...very helpful guys there.
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