Production of IMR powders dates back again above 200 yrs when the organization was initially Launched by E.I DuPont. Available for use in many reloading programs, the IMR series of powder is dependable by reloaders all around the world. IMR 4227 Powder in inventory now is the Magnum Pistol Powder https://andresahgfb.dgbloggers.com/28138582/imr-4227-powder