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 number 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 correct magnum velocities and general imr 4227 load data performance. In rifles this powder delivers superb velocity and accuracy in these imr 4227 kinds of cartridges as being the 22 Hornet and 221 Fireball.