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Lighter bullet more powder, heavier bullet less powder. I would try a heavier bullet and start with a minimum charge and work up to max increasing 1/10 of a grain at a time say 5 rounds of each for each gun and see what is working best for each with regards to accuracy
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NRA Life Member, NRA Chief Range Safety Officer, NRA Certified Pistol Instructor,, USPSA & Steel Challange NROI Range Officer,
ICORE Range Officer, ,MAG 40 Graduate
As you are, I once was, As I am, You will be.
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