Products Overview: IMR 4227 PowderManufacture of IMR powders dates back more than two hundred decades when the corporation was at first Established by E.I DuPont. Accessible for use in lots of reloading purposes, the IMR series of powder is trustworthy by reloaders all around the world.IMR 4227 Powder in stock now may be the Magnum Pistol Powder wi… Read More