Production of IMR powders dates back around 200 decades when the company was at first Established by E.I DuPont. Available for use in several reloading applications, the IMR number of powder is dependable by reloaders all around the world. IMR 4227 Powder in stock now is the Magnum Pistol Powder https://imr-4227-load-data72582.laowaiblog.com/27278747/imr-4227-powder