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