Production of IMR powders dates back over 200 yrs when the organization was initially Started by E.I DuPont. Accessible for use in lots of reloading programs, the IMR series of powder is trusted by reloaders all around the world. IMR 4227 Powder in inventory now could be the Magnum Pistol https://imr422747137.dreamyblogs.com/28115243/imr-4227-powder