Merchandise Overview: IMR 4227 PowderProduction of IMR powders dates back over two hundred yrs when the corporate was initially Established by E.I DuPont. Obtainable for use in lots of reloading purposes, the IMR number of powder is trusted by reloaders all around the world.IMR 4227 Powder in stock now is the Magnum Pistol Powder from the IMR lineu… Read More