Production of IMR powders dates back around two hundred several years when the corporate was originally Established by E.I DuPont. Readily available for use in several reloading purposes, the IMR series of powder is trustworthy by reloaders all around the imr 4227 world.

IMR 4227 Powder in inventory now will be the Magnum Pistol Powder while in the IMR imr 4227 load data lineup. If it suggests Magnum, 4227 powder will be the choice for genuine magnum velocities and overall performance. In rifles this powder delivers exceptional velocity and precision in these types of cartridges as the 22 Hornet and 221 Fireball.