Manufacture of IMR powders dates again about 200 years when the corporate was originally Started by E.I DuPont. Available for use in many reloading apps, the IMR number of powder is trusted by reloaders all across the globe.
IMR 4227 Powder in stock imr 4227 load data now is definitely the Magnum Pistol Powder inside the IMR lineup. imr 4227 load data If it claims Magnum, 4227 powder is the choice for correct magnum velocities and performance. In rifles this powder delivers outstanding velocity and accuracy in these cartridges as the 22 Hornet and 221 Fireball.