Merchandise Overview: IMR 4227 PowderCreation of IMR powders dates back again in excess of 200 years when the company was initially Launched by E.I DuPont. Available for use in lots of reloading purposes, the IMR series of powder is trusted by reloaders all across the globe.IMR 4227 Powder in inventory now would be the Magnum Pistol Powder within t… Read More