Manufacture of IMR powders dates back around 200 decades when the business was at first Started by E.I DuPont. Obtainable for use in many reloading programs, the IMR series of powder is reliable by reloaders all around the world.IMR imr 4227 load data 4227 Powder in stock now may be the Magnum Pistol Powder during the IMR lineup. imr 4227 If it say… Read More