300 RUM Freebore

Discussion in 'Gunsmithing' started by Ridge Runner, Dec 26, 2009.

  1. Ridge Runner

    Ridge Runner Well-Known Member

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    Dec 13, 2002
    anyone know offhand how much freebore is normal in a factory 300 RUM, guy on another forum has one that has 180thou freebore when a 180 tsx is loaded to mag length, is this normal?
    Thanx
    RR
     
  2. jmason

    jmason Well-Known Member

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    Feb 6, 2008
    I don't have the ability at the moment to tell you specifically with mine but I know it's a lot. I can barely touch the lands on mine w/ 168 a-max before it won't stay seated anymore.