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7prc oal

  1. C

    varying CBTO when measuring finished ammo

    Hi there SH folks, I am absolutely new to reloading. I had a question about the variance in the OAL length of the loaded round. i am loading 180 gr bergers for my 7PRC. I am using a RCBS Summit with standard 7mmPRC dies (didnt get the matchmaster set). I determined the OAL length to the lands...