Manufacture of IMR powders dates again in excess of 200 yrs when the organization was initially Established by E.I DuPont. Available for use in lots of reloading apps, the IMR number of powder is dependable by reloaders all across the globe.

IMR 4227 Powder in stock now would be the Magnum Pistol Powder during the IMR lineup. If it says Magnum, 4227 powder may be the option for genuine magnum velocities and overall performance. In rifles imr 4227 this powder delivers exceptional velocity and precision in these cartridges as the 22 Hornet imr 4227 load data and 221 Fireball.