Production of IMR powders dates back again in excess of two hundred yrs when the corporate was at first founded by E.I DuPont. Obtainable for use in many reloading applications, the IMR series of powder is reliable by reloaders all around the world.

IMR 4227 Powder in inventory now is the Magnum Pistol Powder imr 4227 load data while in the IMR lineup. If it suggests Magnum, 4227 powder will be the choice for correct magnum velocities and general performance. In rifles this powder provides superb velocity and accuracy in this sort of cartridges since imr 4227 the 22 Hornet and 221 Fireball.