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Old November 8, 2013, 10:05 PM   #16
BillM
Senior Member
 
Join Date: January 20, 2009
Location: Amity Oregon
Posts: 791
My wife and I use N320 for our USPSA 9mm minor power
factor Production division loads.

3.7 N320
147 Montana Gold CMJ
WSP primer
1.145 OAL

Start around 3.3gr with your plated bullet, chrono
and work up to the velocity you want. Pay attention--
N320 is a pretty fast powder.
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