For reloading, Alliant Reloader 15 Rifle Powder has been rated as the one to beat. This medium rifle powder offers a wide caliber range and has been designed to offer consistency for all temperature conditions. The powder is outstanding for high-velocity varmint loads, specifically .223 and .308 calibers. The performance of this powder is so stellar that it has been used by top U.S. military shooters using M118 special ball, long-range sniper rounds. That alone speaks volumes for the quality this particular powder provides. The powder also comes with a solid company guarantee.