Creation of IMR powders dates back around 200 yrs when the organization was at first founded by E.I DuPont. Readily available for use in several reloading purposes, the IMR series of powder is trustworthy by reloaders all imr 4227 around the world.

IMR 4227 Powder in inventory now would be the Magnum Pistol Powder during imr 4227 load data the IMR lineup. If it says Magnum, 4227 powder may be the choice for genuine magnum velocities and performance. In rifles this powder delivers outstanding velocity and accuracy in these cartridges given that the 22 Hornet and 221 Fireball.