Manufacture of IMR powders dates back over 200 decades when the business was at first founded by E.I DuPont. Accessible for use in several reloading purposes, the IMR number of powder is trusted by reloaders all across the globe.

IMR 4227 Powder in stock now would imr 4227 load data be the Magnum Pistol Powder in the IMR lineup. If it says Magnum, 4227 powder would be the choice for imr 4227 load data genuine magnum velocities and efficiency. In rifles this powder delivers superb velocity and precision in such cartridges because the 22 Hornet and 221 Fireball.