Product Overview: IMR 4227 PowderManufacture of IMR powders dates back more than two hundred a long time when the organization was at first Launched by E.I DuPont. Accessible for use in many reloading purposes, the IMR series of powder is dependable by reloaders all around the world.IMR 4227 Powder in stock now could be the Magnum Pistol Powder whi