Production of IMR powders dates again around 200 decades when the corporate was at first founded by E.I DuPont. Accessible for use in several reloading purposes, the IMR number of powder is trusted by reloaders all across the globe.
IMR 4227 imr 4227 load data Powder in stock now would be the Magnum Pistol Powder in the IMR lineup. If it says Magnum, 4227 powder may be the choice for real magnum velocities and performance. In rifles this powder provides excellent velocity and precision in such imr 4227 cartridges as the 22 Hornet and 221 Fireball.