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Mossberg 500 rail on receiver

Discussion in 'Maintenance & Gunsmithing' started by spider, Feb 25, 2011.

  1. spider

    spider Hillsboro Well-Known Member

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    Lookin for a smith to drill the top of my receiver on my 500A for a rail. Let me know thanks
    1298735326.jpg
    500A w/ speedfeed "chicken head"/witness protection grip
     
  2. Ian1816

    Ian1816 Oregon City Active Member

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    I put a rail on my 500 using the existing holes. Does yours not have threaded holes on top of the reciever withscrews in them?
     
  3. spider

    spider Hillsboro Well-Known Member

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    Unfortunately, I just have the serrated flattop receiver no screws.
     
  4. gunslinger1911

    gunslinger1911 WA state Member

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    You can get a tap and die set at the hardware store... I think the one you'll need is like a 8-32 , prob cost ya 10 bucks...the reciever is aluminum, should cut like butter
     
  5. darkminstrel

    darkminstrel PDX Well-Known Member

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    What gunslinger said. Be sure to fully disassemble firth though.
     
  6. Bisync

    Bisync Oregon New Member

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    I thought Speedfeed discontinued the ones for the Mossberg and any remaining on the market are old stock. People complained of buying the mossberg grip only to find that it did not fit flush and was stamped with R870.

    Is yours stamped with "R870"?. Is it flush with the receiver? If so, where and when did you buy that speedfeed grip?

    Thanks!
    B