Every container of Alliant Smokeless Powder is backed by a century of manufacturing experience and the most exacting quality control procedures in the industry. Chemical composition, grain shape and size, and overall density are constantly checked and tested in a ballistics lab to ensure consistency.
Do not exceed the loads displayed in the reloaders guide.
Never mix any two powders regardless of type, brand, or source.
Never substitute any smokeless powder for Black Powder or any Black Powder
Power Pro 300-MP offers superior velocity and Lot-to-Lot uniformity. A spherical powder designed for magnum pistol calibers, Power Pro 300-MP powder delivers improved velocity and density for easier metering. Because it's designed for specific cartridge and applications, it will allow reloaders to create a load similar to factory loaded ammunition. Secondary use includes 22 Hornet loads.
Warnings from the Manufacturer: