Production of IMR powders dates back over 200 years when the business was at first founded by E.I DuPont. Accessible for use in several reloading purposes, the IMR series of powder is trusted by reloaders all across the globe.

IMR 4227 Powder in inventory imr 4227 load data now is definitely the Magnum Pistol Powder within the IMR lineup. If it states Magnum, 4227 powder is definitely the option for true magnum velocities and functionality. In rifles this powder provides fantastic velocity and precision in such cartridges because the 22 imr 4227 load data Hornet and 221 Fireball.