Manufacture of IMR powders dates again above 200 yrs when the company was at first Launched by E.I DuPont. Accessible for use in many reloading applications, the IMR number of powder is trusted by reloaders all around the world. IMR 4227 Powder in stock now is the Magnum Pistol Powder https://imr4227loaddata82592.blogginaway.com/28295490/imr-4227-powder