Creation of IMR powders dates back about 200 yrs when the organization was at first Established by E.I DuPont. Readily available for use in lots of reloading purposes, the IMR number of powder is trusted by reloaders all imr 4227 across the globe.

IMR 4227 Powder in stock now could be the Magnum Pistol Powder within the IMR lineup. If it states Magnum, 4227 powder could be the option for true magnum velocities and functionality. In rifles imr 4227 this powder provides great velocity and precision in such cartridges because the 22 Hornet and 221 Fireball.