Thread: Conversion to 300 AAC BLACKOUT reamer
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  #34  
Old 12-15-2010, 07:18 AM
tp555 tp555 is offline
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Join Date: Jun 2006
Posts: 162
No. Reamer cuts the case wider by around .004" and the throat deeper.The shoulder flutes are dull and don't cut.Thats the part that is used for head space gauging.
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