Production of IMR powders dates back over 200 years when the corporate was at first Started by E.I DuPont. Obtainable for use in many reloading applications, the IMR series of powder is reliable by reloaders all around the world.
IMR 4227 Powder in stock now may be the Magnum Pistol Powder in the IMR lineup. If it says Magnum, 4227 powder would be the option for true magnum velocities and efficiency. imr 4227 In rifles this powder provides fantastic velocity and precision in this kind imr 4227 of cartridges since the 22 Hornet and 221 Fireball.