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Old June 23, 2013, 03:10 PM   #13
Senior Member
Join Date: March 14, 2010
Location: Central Florida
Posts: 813
Problem with your logic is that to keep all components exactly same, once you have developed the load you'll have to keep buying fresh cases. Yet, the brass will differ batch to bath even with the same manufacturer. I fail to see advantage of using unfired brass other than extra strength (even that is debatable) which is not needed for 275gr bullet @ 1200fps
Besides, case fired in your gun will perform better than fresh factory brass and reveal those defective ones that could throw off your results while developing the load.
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