What is biggest case to fit in a RUM bolt face

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by RDavies, Oct 7, 2013.

  1. RDavies

    RDavies Active Member

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    May 28, 2011
    I am looking at options for a 375 to fit into an existing magnum bolt face. The 375 RUM would be an easy option, but just checking to see if there are any other longer or rebated cases which will fit the standard bolt face. I have seen a picture of a 380 Terminator case and it looks good, anything else?
    The action is a single shot Barnard, so it does not have to fit in a magazine, or eject a loaded round.