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Old April 27, 2009, 07:36 AM   #2
Jim Watson
Senior Member
 
Join Date: October 25, 2001
Location: Alabama
Posts: 11,183
I don't know about optimum velocity, but the minimum velocity for IDPA SSR with a 158 grain bullet is 792 fps. Best to have some safety margin to allow for different chronographs, lighting conditions, and temperatures.
I think 830-850 fps is good.
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