Production of IMR powders dates again over 200 decades when the corporate was at first founded by E.I DuPont. Readily available for use in lots of reloading programs, the IMR series of powder is trusted by reloaders all around the world.
IMR 4227 Powder imr 4227 load data in inventory now is the imr 4227 load data Magnum Pistol Powder inside the IMR lineup. If it states Magnum, 4227 powder would be the choice for real magnum velocities and general performance. In rifles this powder delivers outstanding velocity and precision in this kind of cartridges as the 22 Hornet and 221 Fireball.