Manufacture of IMR powders dates again around 200 a long time when the company was initially Established by E.I DuPont. Readily available for use in lots of reloading purposes, the IMR series of powder is trustworthy by reloaders all imr 4227 load data around the world.

IMR 4227 Powder in inventory now may be the Magnum Pistol Powder during the IMR lineup. If it says Magnum, 4227 powder would be the option for true magnum velocities and functionality. In rifles this powder provides excellent velocity and accuracy in these imr 4227 load data kinds of cartridges given that the 22 Hornet and 221 Fireball.