Manufacture of IMR powders dates back about two hundred yrs when the corporation was initially Launched by E.I DuPont. Accessible for use in lots of reloading purposes, the IMR series of powder is trustworthy by reloaders all across the globe.
IMR 4227 Powder in stock now imr 4227 load data is the Magnum Pistol Powder in the IMR lineup. If it states Magnum, 4227 powder could be the option for correct magnum velocities and general performance. In imr 4227 load data rifles this powder delivers outstanding velocity and accuracy in these types of cartridges as the 22 Hornet and 221 Fireball.