Production of IMR powders dates back again in excess of 200 yrs when the business was at first Started by E.I DuPont. Obtainable for use in several reloading purposes, the IMR number of powder is trustworthy by reloaders all around the world.

IMR 4227 imr 4227 load data Powder in stock now could be the Magnum Pistol Powder inside the IMR lineup. If it says Magnum, 4227 powder is the choice for true magnum velocities and functionality. imr 4227 load data In rifles this powder delivers outstanding velocity and precision in such cartridges as the 22 Hornet and 221 Fireball.