Creation of IMR powders dates again over two hundred yrs when the corporate was initially founded by E.I DuPont. Obtainable for use in lots of reloading applications, the IMR number of powder is trusted by reloaders all around imr 4227 the world.IMR 4227 Powder in stock now is definitely the Magnum Pistol Powder during the imr 4227 IMR lineup. If i