Creation of IMR powders dates again in excess of 200 yrs when the organization was initially Established by E.I DuPont. Available for use in lots of reloading apps, the IMR number of powder is dependable by reloaders all across the globe.IMR imr 4227 load data 4227 Powder in stock now would be the Magnum Pistol Powder in the IMR lineup. If it says … Read More