Manufacture of IMR powders dates back over 200 years when the corporation was originally Launched by E.I DuPont. Available for use in several reloading programs, the IMR number of powder is trusted by reloaders all around the world.
IMR 4227 Powder in inventory now would be the Magnum Pistol Powder from imr 4227 the IMR lineup. If it claims Magnum, 4227 powder is the choice for true magnum velocities and overall performance. In rifles this powder imr 4227 load data provides superb velocity and accuracy in this kind of cartridges given that the 22 Hornet and 221 Fireball.