Anybody have any experience with Alliant Power Pro 300 MP magnum pistol powder?
I came into a pound of the stuff, but even when checking with Alliant, there's no available data for loading the .41 Magnum. That seems a bit odd, but that's what I learned.
I came into a pound of the stuff, but even when checking with Alliant, there's no available data for loading the .41 Magnum. That seems a bit odd, but that's what I learned.