Manufacture of IMR powders dates back over 200 years when the corporation was at first founded by E.I DuPont. Accessible for use in several reloading purposes, the IMR series of powder is trustworthy by reloaders all across the globe.
IMR 4227 Powder in inventory now is the Magnum Pistol imr 4227 load data Powder inside the IMR lineup. If it says Magnum, 4227 powder would be the choice for real magnum velocities and performance. In rifles this imr 4227 load data powder provides fantastic velocity and precision in these types of cartridges given that the 22 Hornet and 221 Fireball.