Production of IMR powders dates again around 200 decades when the business was initially Established by E.I DuPont. Available for use in many reloading programs, the IMR number of powder is trusted by reloaders all across the globe.
IMR imr 4227 4227 Powder in stock now would be the Magnum Pistol Powder in the IMR lineup. If it says Magnum, 4227 powder would be the choice for correct magnum velocities and effectiveness. In rifles imr 4227 this powder provides exceptional velocity and accuracy in this sort of cartridges since the 22 Hornet and 221 Fireball.