Products Overview: IMR 4227 PowderManufacture of IMR powders dates back again more than two hundred yrs when the corporation was initially founded by E.I DuPont. Available for use in lots of reloading programs, the IMR number of powder is trustworthy by reloaders all around the world.IMR 4227 Powder in stock now is the Magnum Pistol Powder during t… Read More