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Old May 1, 2013, 08:15 PM   #13
James K
Join Date: March 17, 1999
Posts: 22,061
Blank powder is made of open granules in order to ignite and burn faster, and is not treated with either retardant or graphite, the reason it does not have the gray color of most smokeless powder. It looks a bit like large grain soap powder.

Jim K
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