Ruger M77

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by Waynzee, Aug 28, 2018.

  1. Waynzee

    Waynzee Well-Known Member

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    Hi fellas, looking for some info on a Ruger M77 tang safety in a 7x57 Mauser. Does anybody know what the barrel rifling rate of twist would be?
     
  2. sable tireur

    sable tireur Well-Known Member

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    This from a list I keep around just for such times...

    7 x 57mm - 1 in 9 1/2" . . . . . . . .Ruger 77
     
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  3. Waynzee

    Waynzee Well-Known Member

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    This from a list I keep around just for such times...

    7 x 57mm - 1 in 9 1/2" . . . . . . . .Ruger 77
    Thanks, that should handle a 160gr. bullet fairly well.
     
  4. FEENIX

    FEENIX Well-Known Member

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    When in doubt, you can measure the actual twist by ...



     
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  5. Waynzee

    Waynzee Well-Known Member

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    Thanks FEENIX, found out they are 1 in 8.75
     
  6. FEENIX

    FEENIX Well-Known Member

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    Cool, that's even better. Cheers!