Accurate Powders is a company that definitely lives up to its name. The complete line of smokeless powders for handguns, rifles, and shotguns is engineered and lab-tested to maximize the precision and performance . Accurate uses the best ballistic technicians and the highest quality components together to assure that every gun is better served with Accurate Powders Accurate2495 is a single-base, extruded rifle powder that was developed for the 308 Win and can be used over a wide range of rifle calibers. It is a very popular powder for 308 Win. NRA High Power shooting disciplines, as well as heavy bullet 223 Rem target applications. 2495 is a versatile powder with excellent ignition characteristics that provides excellent shot-to-shot consistency. 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.