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Old March 30, 2011, 12:44 PM   #2
F. Guffey
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Join Date: July 18, 2008
Posts: 7,249
I use a seater die from RCBS to seat bullets for the 30/06 and the 308 and with a little effort others. the same die is used to seat bullets for the 30/06 and 308 with the addition of an extended shell holder.

Sizing with the same die does not work, the case body at the shoulder case body juncture is .011 thousands larger in diameter on the 308 than it is on the 30/06 when measured from the head of the case head to the same point on the case, again, sometimes overlooked when research is skipped or omitted as when some with a reamer and no investigative skill, they ream a 308 W. chamber to 30/06 to determine if the 30/06 reamer will remove all of the 308 chamber, or they ream the 308 chamber to 30/06, chamber a round and fire then discover a ring around the case indicating part of the chamber still exist and was not removed, I have suggested the 308 chamber to be reamed to 30/06 Ackley Improved or a 30 Gibbs.

F. Guffey
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