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. Reloder 10x is newest Alliant powder designed for use in light varmint loads, this smokeless powder creates high velocities also making it an excellent choice for benchrest shooters. Reloder 10x is one of the best choices for light bullet applications in .222 Rem, .223 Rem .22-250 Rem and key bench rest calibers. Also great in light bullet .308 Win 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.