Manufacture of IMR powders dates back over 200 years when the corporation was originally Launched by E.I DuPont. Available for use in lots of reloading apps, the IMR number of powder is trusted by reloaders all across the globe.

IMR imr 4227 4227 Powder in inventory now is the Magnum Pistol Powder from the IMR lineup. If it suggests Magnum, 4227 powder may be the option for legitimate magnum velocities and functionality. In rifles this powder provides excellent velocity and accuracy in these kinds of imr 4227 cartridges as being the 22 Hornet and 221 Fireball.