Production of IMR powders dates back in excess of two hundred yrs when the corporation was initially Launched by E.I DuPont. Obtainable for use in lots of reloading programs, the IMR number of powder is trustworthy by reloaders all around the world.

IMR 4227 Powder in inventory now would be the Magnum Pistol Powder within the IMR lineup. If it says Magnum, 4227 powder is the imr 4227 load data option for genuine magnum velocities and effectiveness. In rifles this powder delivers fantastic velocity imr 4227 and accuracy in these cartridges because the 22 Hornet and 221 Fireball.