how to bump size

  1. InfoLoader

    Can you Bump size with small base dies?

    Hi, I have some rcbs ar series small base dies and i have a mostly used it for standard ar15 with 16" barrels, But i have a one precision gun that i wanted to get a more precise shoulder bump on the cases. I was wondering if these smwll base dies can be used for just bumping the shoulder back...
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