Manufacture of IMR powders dates again about 200 yrs when the organization was initially Established 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 says Magnum, 4227 powder may be the option for legitimate magnum velocities and functionality. imr 4227 In rifles this powder provides fantastic velocity and precision in this sort of cartridges as being the 22 Hornet and 221 imr 4227 Fireball.