Manufacture of IMR powders dates again above 200 a long time when the company was initially Established by E.I DuPont. Readily available for use in several reloading purposes, the IMR series of powder is trustworthy by reloaders all around the world.

IMR 4227 Powder in inventory now will be the Magnum Pistol Powder from the IMR lineup. If it imr 4227 load data suggests Magnum, 4227 powder will be the choice for genuine magnum velocities and overall performance. imr 4227 load data In rifles this powder delivers great velocity and precision in such cartridges because the 22 Hornet and 221 Fireball.