Every container of Alliant Herco 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.

Used in shotshell loads since the 1920s, Hercos smokeless powder is an excellent high base hunting load ideal for upland game and magnum handgun loads. Can be used in 10, 12, 16, 20 and 28 gauge target loads.

Warnings from the Manufacturer:

• 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 substitute.