Production of IMR powders dates again over 200 many years when the corporation was originally Launched by E.I DuPont. Available for use in many reloading programs, the IMR series of powder is reliable by reloaders all around the world.
IMR 4227 Powder imr 4227 load data in inventory now is the Magnum Pistol Powder while in the IMR lineup. If it claims Magnum, 4227 powder is definitely the option for legitimate magnum velocities and efficiency. In rifles this powder delivers superb imr 4227 velocity and accuracy in this kind of cartridges as the 22 Hornet and 221 Fireball.