Production of IMR powders dates back over 200 decades when the business was originally Started by E.I DuPont. Obtainable for use in many reloading programs, the IMR number of powder is dependable by reloaders all around the world.

IMR 4227 Powder in stock now would be the Magnum Pistol Powder in the IMR lineup. If it says Magnum, 4227 powder would be the option for true magnum velocities and functionality. In rifles this imr 4227 powder provides fantastic velocity and precision in this kind of cartridges since imr 4227 load data the 22 Hornet and 221 Fireball.