Manufacture of IMR powders dates back above two hundred yrs when the business was at first Started by E.I DuPont. Obtainable for use in many reloading programs, the IMR number of powder is dependable by reloaders all around imr 4227 load data the world.
IMR 4227 Powder in inventory now is the Magnum Pistol Powder during the IMR lineup. If it states Magnum, 4227 powder is definitely the imr 4227 choice for correct magnum velocities and efficiency. In rifles this powder provides superb velocity and accuracy in such cartridges as the 22 Hornet and 221 Fireball.