Creation of IMR powders dates back over 200 years when the corporate was at first Started by E.I DuPont. Accessible for use in several reloading applications, the IMR series of powder is reliable by reloaders all around the imr 4227 load data world.

IMR 4227 Powder in inventory now will be the Magnum Pistol Powder from the IMR lineup. If it suggests Magnum, 4227 powder may be the choice for genuine magnum velocities and efficiency. In rifles this powder delivers great velocity imr 4227 and precision in such cartridges because the 22 Hornet and 221 Fireball.