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Ruger SR556 question

Discussion in 'Rifle Country' started by DammitBoy, Sep 12, 2013.

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  1. DammitBoy

    DammitBoy Member

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    This may be a silly question but, is the Ruger SR556 lower compatible with other uppers?

    Thinking Bushmaster 450 upper, specifically - but curious about any option?
     
  2. Jackal

    Jackal Member

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    Not a silly question at all. I'm also curious.:)
     
  3. 68wj

    68wj Member

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    Yes. The one I had in 6.8 would swap.
     
  4. DammitBoy

    DammitBoy Member

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    What upper do you have in 6.8 WJ?
     
  5. soonerfan85

    soonerfan85 Member

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    I've wondered the same thing myself.

    Promised the wife no new guns for a while. An upper is not a whole gun. :rolleyes:
     
  6. batmann

    batmann Member

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    The best source of info is with Ruger. Their's is a proprietary piston system so asking that on the Internet may get you the wrong answer.
     
  7. 68wj

    68wj Member

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    It was another 6.8 upper, but a home build. Ruger's lower didn't fit or look any different than a normal AR design.
     
  8. 68wj

    68wj Member

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    The upper is a whole 'nuther story. The lower follows standard dimensions. Ruger sells their uppers seperately to pin onto standard lowers too.
     
  9. DammitBoy

    DammitBoy Member

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    From Ruger:

    I think that answers my question, although I asked specifically about the lower, Ruger seems to want to sell me an upper...
     
  10. Boostedtwo

    Boostedtwo Member

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    not to get off track, Id love to have a sr556.
     
  11. DammitBoy

    DammitBoy Member

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    Boosted - that's why I'm asking the question.I'd like to get the SR556 but I want an AR I can change the upper on to a 450 bushmaster, so that will be the deciding factor for me.

    I was hoping some SR556 owners would chime in with their experiences...
     
  12. DammitBoy

    DammitBoy Member

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    Any SR556 owners out there with input?
     
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