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Old July 30, 2021, 08:55 AM   #3
BillM
Senior Member
 
Join Date: January 20, 2009
Location: Amity Oregon
Posts: 775
Unless you are loading max loads, you probably don't need
to do anything. I've chronographed SP vs SPM in several
calibers and loads---the most I saw was an increase of 10 FPS.
If you are loading hot, reduce 10% and work back up.

Load a few and try for function. Some striker fired guns have
problems with the slightly harder SPM.
BillM is offline  
 
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