length/ twist question

Discussion in 'Gunsmithing' started by tmhue001, Jun 23, 2009.

  1. tmhue001

    tmhue001 Member

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    Apr 18, 2009
    building a 7mm rifle shooting 175gr is there an artical already i can read or can someone give me a basic idea of what barrel length and twist i should use i searched aroung on here a little and it seemed 1:9 seemed to be good.
     
  2. tmhue001

    tmhue001 Member

    Messages:
    9
    Joined:
    Apr 18, 2009
    also grooves 3,6???