Manufacture of IMR powders dates again about 200 yrs when the business was at first founded by E.I DuPont. Readily available for use in several reloading applications, the IMR series of powder is trustworthy by reloaders all around the world.
IMR 4227 Powder in inventory now will be imr 4227 the Magnum Pistol Powder from the IMR lineup. If it suggests Magnum, 4227 powder imr 4227 will be the choice for real magnum velocities and performance. In rifles this powder delivers great velocity and precision in such cartridges since the 22 Hornet and 221 Fireball.