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Old 01-24-2013, 12:48 PM
  #12  
jp4
Spike
 
Join Date: Dec 2004
Location: Oshkosh WI.
Posts: 19
Default dirt-grit

The main reason for tumbling brass is to get it clean,,--BEFORE it goes into your dies. The decapper pin will push any media out with the spent primer.

To avoid plugging up flash holes when tumbling after sizing, get finer grit media. One source of the fine corncob is here;

http://www.drillspot.com/products/52...bs_blast_media

And it ships free! 40 pounds of that will last you and others a very long time. It's small grit size will not get hung up in flash holes.

As for walnut, look around on drillspot, they may have that in finer grit as well.
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