The Speer Reloading Manual No. 15 is another good resource. RCBS includes a copy in many of their reloading kits, though you can also purchase it separately. With that out of the way, here are the top ...

Why? Crack open any reputable reloading manual or pamphlet, or visit the website of any propellant manufacturer, and you’ll instantly have your answer. There is often a dozen or more options.