Production of IMR powders dates back again above two hundred many years when the corporate was originally Launched by E.I DuPont. Readily available for use in lots of reloading purposes, the IMR number of powder is trusted by reloaders all across the globe.

IMR 4227 Powder in inventory now is the Magnum Pistol Powder inside the IMR lineup. If it claims Magnum, 4227 powder is the choice for correct magnum velocities and general imr 4227 performance. In rifles this powder delivers superb velocity and accuracy in these cartridges given imr 4227 load data that the 22 Hornet and 221 Fireball.