Alliant Power Pro 2000-MR Powder is an outstanding product backed by an American company with more than 100 years in the industry. This powder is designed for superior velocity and uniformity. As a spherical powder it is used in medium rifle calibers. Proven to deliver improved density and velocity the powder is also easier to meter. With the specific design individuals who enjoy reloading have the ability to create a load similar to that of loaded ammunition from the factory. For .308 Winchester and .223 Remington loads this is an excellent choice for top performance.