Item Overview: IMR 4227 PowderProduction of IMR powders dates back more than two hundred yrs when the corporate was initially Established by E.I DuPont. Obtainable for use in lots of reloading applications, the IMR number of powder is trusted by reloaders all across the globe.IMR 4227 Powder in stock now is the Magnum Pistol Powder in the IMR lineu… Read More