Manufacture of IMR powders dates back again above 200 several years when the organization was initially Established by E.I DuPont. Readily available for use in lots of reloading purposes, the IMR series of powder is trustworthy by reloaders all around the world.

IMR 4227 Powder in inventory imr 4227 now is the Magnum Pistol Powder while in the IMR lineup. If it suggests Magnum, 4227 powder is the choice for real magnum velocities and imr 4227 performance. In rifles this powder delivers exceptional velocity and precision in these types of cartridges because the 22 Hornet and 221 Fireball.