Products Overview: IMR 4227 PowderManufacture of IMR powders dates again in excess of two hundred yrs when the business was originally Launched by E.I DuPont. Available for use in lots of reloading applications, the IMR number of powder is dependable by reloaders all around the world.IMR 4227 Powder in inventory now is the Magnum Pistol Powder from… Read More