Manufacture of IMR powders dates again about 200 yrs 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 across the globe.
IMR 4227 Powder in inventory 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 performance. In rifles imr 4227 load data this powder delivers great velocity and accuracy in these kinds of cartridges as being the 22 Hornet imr 4227 and 221 Fireball.