Manufacture of IMR powders dates back around 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 definitely the Magnum Pistol Powder while in the IMR lineup. If it claims Magnum, 4227 powder is the imr 4227 choice for real magnum velocities and general performance. In rifles this powder delivers outstanding velocity and accuracy in these cartridges given that the imr 4227 22 Hornet and 221 Fireball.