Production of IMR powders dates back about 200 yrs when the corporation was initially Started by E.I DuPont. Accessible for use in many reloading purposes, the IMR series of powder is trusted by reloaders all around the world. IMR 4227 Powder in stock now will be the Magnum Pistol Powder https://imr4227loaddata26036.actoblog.com/28320926/imr-4227-powder