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Old October 25, 2012, 06:50 PM   #23
Senior Member
Join Date: October 18, 2006
Posts: 6,224
Bart B.

I'm not saying that ball powder with the #43 primer was as good as IMR 4895, what I'm saying is that there is a known delay in ignition issues with WC846 with military primers. The recommendation was to standardize to WC846FS (Flash Suppressed) as it showed more consistent ignition with either the #43 or #34 primers. The report states that case fill was critical in getting proper ignition with WC846.

Machine guns are awesome until you have to carry one.
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