Will a 6BRA seater die work for seating 6BR?

C Cape

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Minuteman
Jan 2, 2008
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Valdosta, Ga
I'm having a 6BR spun up and am curious if I can use my Whidden 6BRA seater die to seat bullets in the BR? I know It works fine for fireforming brass but didn't know if it would be a disadvantage over having a 6BR Seating die.