Manufacture of IMR powders dates again about 200 yrs when the organization 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 the Magnum Pistol Powder from the IMR lineup. If it suggests Magnum, 4227 imr 4227 load data powder will be the choice for genuine magnum velocities and overall performance. In imr 4227 rifles this powder delivers great velocity and precision in such cartridges because the 22 Hornet and 221 Fireball.