Creation of IMR powders dates again about two hundred several years when the company was initially Launched by E.I DuPont. Available for use in many reloading programs, the IMR number of powder is dependable by reloaders all around the world.

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