just heard back from Alliant... This is what they had to say....
Quote:
You can use Promo in any application in which Red Dot is recommended, grain for grain. In your 9mm with a 115 gr lead bullet try about 4 grs and see if that cycles the action of your pistol okay. Thanks for your interest in contacting us and have a nice day.
Ben Amonette
Consumer Service Manager
Alliant Powder Company
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