Production of IMR powders dates back more than 200 yrs when the company was at first Launched by E.I DuPont. Readily available for use in several reloading apps, the IMR series of powder is reliable by reloaders all around the world.
IMR 4227 Powder in inventory now would be the Magnum Pistol Powder while in the IMR lineup. If it says Magnum, 4227 imr 4227 powder is definitely the choice for correct magnum velocities and effectiveness. In rifles this powder delivers excellent imr 4227 load data velocity and accuracy in this kind of cartridges as the 22 Hornet and 221 Fireball.