Manufacture of IMR powders dates back again more than 200 decades when the corporation was at first Established by E.I DuPont. Accessible for use in many reloading apps, the IMR series of powder is reliable by reloaders all across the globe.

IMR 4227 Powder in inventory now would be the Magnum Pistol Powder while in the IMR lineup. If it says imr 4227 Magnum, 4227 powder is the choice for true magnum velocities and general performance. In rifles this powder delivers outstanding velocity and imr 4227 load data accuracy in this sort of cartridges because the 22 Hornet and 221 Fireball.