Creation of IMR powders dates back around 200 several years when the company was originally 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 in inventory now could imr 4227 load data be the Magnum Pistol Powder during the IMR lineup. If it suggests Magnum, 4227 powder is definitely the choice for correct magnum velocities and effectiveness. In rifles this powder delivers superb velocity and imr 4227 load data precision in these types of cartridges as being the 22 Hornet and 221 Fireball.