Merchandise Overview: IMR 4227 PowderProduction of IMR powders dates back above two hundred years when the corporate 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 while in the IMR … Read More