300saum norma

Discussion in 'Equipment Discussions' started by KIWI AL, Oct 8, 2008.

  1. KIWI AL

    KIWI AL Active Member

    Aug 8, 2008
    gday.is there any one out there who can give me the web'base diamiter of norma 300saum brass?if any one can be of help it would be great as gun smith would like to know for custom reamer.:confused: