Production of IMR powders dates again in excess of two hundred several years when the company was initially Established by E.I DuPont. Readily available for use in lots of reloading apps, the IMR number of powder is trustworthy by reloaders all across the globe.

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