Production of IMR powders dates back over two hundred several years when the business was initially Launched by E.I DuPont. Readily available for use in several reloading apps, the IMR series of powder is reliable by reloaders all across the globe.

IMR 4227 Powder in stock now would be the Magnum Pistol Powder from the IMR lineup. imr 4227 load data If it claims Magnum, 4227 powder will be the choice for genuine magnum velocities and general performance. In rifles this powder imr 4227 provides great velocity and accuracy in this kind of cartridges because the 22 Hornet and 221 Fireball.