Scope Clearance

Discussion in 'Long Range Scopes and Other Optics' started by aitch, Sep 12, 2017.

  1. aitch

    aitch Well-Known Member

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    Sep 23, 2007
    Been trying to find the optimal rings to mount a NF 56mm objective scope. Assuming the objective OD is 2.558 and my NF 20 moa rail is .268 I calculate I will have .024 clearance using Farrell hi 1.035 rings. If I go with the x hi, clearance would be .200 more. Is .024 adequate or too little. I realize this is probably not enough for covers.
    Platform: Rem 700 with Broughton 7.9 contour bbl.
     
  2. J E Custom

    J E Custom Well-Known Member

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    It wont be enough for scope covers but the clearance is to little for a heavy recoiling rifle because Chances are that the scope will strike the barrel when fired (Very common with close tolerance scope mounting)

    .200 sounds like a lot but with scope covers it will be good as long as it positions the head correctly for a good cheek well.

    J E CUSTOM
     
  3. ShtrRdy

    ShtrRdy Well-Known Member

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    If you have the 20 moa rail mounted, what is the length between the top of the rail to the top of the barrel? What barrel contour does the rifle have?
     
  4. aitch

    aitch Well-Known Member

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    .268 from rail to barrel, Broughton 7.9
     
  5. ShtrRdy

    ShtrRdy Well-Known Member

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    Okay, I agree, go with the higher rings