Manufacture of IMR powders dates again in excess of two hundred several years when the company was initially Established by E.I DuPont. Readily available for use in lots of reloading apps, the IMR number of powder is trusted by reloaders all across the imr 4227 load data globe.

IMR 4227 Powder in inventory now is definitely the Magnum Pistol Powder inside the IMR lineup. If it claims Magnum, 4227 powder is the choice for correct magnum velocities and general performance. In rifles this powder delivers outstanding velocity and accuracy in these imr 4227 cartridges given that the 22 Hornet and 221 Fireball.