Production of IMR powders dates again about 200 yrs when the business was initially Established by E.I DuPont. Readily available for use in several reloading applications, the IMR series of powder is trustworthy by reloaders all around the world.
IMR 4227 Powder in inventory now is the Magnum Pistol Powder from the IMR lineup. If it suggests Magnum, 4227 powder will be the choice imr 4227 for genuine magnum velocities and performance. In rifles this powder delivers exceptional velocity and precision in these types of cartridges as the 22 Hornet imr 4227 and 221 Fireball.