338-378 weatherby reloading?

Discussion in 'Reloading' started by enigma, Aug 26, 2007.

  1. enigma

    enigma Well-Known Member

    Sep 28, 2006
    I'm shooting right now IMR 7828 powder 103gr and a HDY sst 225 gr bullet and fed 215 primmers and getting 3100 velocity Doe's any body know how may grains of retumbo powder to use to get about the same velocity?I like the load because it right on with the TDS on my swarovski scope.
    Last edited: Aug 26, 2007