Creation of IMR powders dates back again around 200 many years when the company was originally Launched by E.I DuPont. Available for use in lots of reloading apps, the IMR series of powder is trustworthy by reloaders all around the world.
IMR 4227 Powder in inventory now would be the Magnum Pistol Powder in the imr 4227 load data IMR lineup. If it says Magnum, 4227 powder would be the option for correct magnum velocities and imr 4227 load data general performance. In rifles this powder provides outstanding velocity and accuracy in these cartridges as the 22 Hornet and 221 Fireball.