Manufacture of IMR powders dates again in excess of two hundred a long time when the company was originally Launched by E.I DuPont. Obtainable for use in many reloading programs, the IMR series of powder is reliable by reloaders all around the world.

IMR 4227 Powder in imr 4227 load data inventory now will be the Magnum Pistol Powder from the IMR lineup. If it imr 4227 suggests Magnum, 4227 powder is the choice for real magnum velocities and general performance. In rifles this powder delivers superb velocity and accuracy in these types of cartridges as the 22 Hornet and 221 Fireball.