Manufacture of IMR powders dates back about two hundred yrs when the business was initially Established by E.I DuPont. Readily available for use in lots of reloading purposes, the IMR number of powder is dependable by reloaders all around the world.
IMR 4227 imr 4227 Powder in inventory now will be the Magnum Pistol Powder from the IMR lineup. If it suggests Magnum, 4227 powder is the option for legitimate magnum velocities imr 4227 load data and overall performance. In rifles this powder delivers superb velocity and precision in such cartridges as the 22 Hornet and 221 Fireball.