Shawnee KS IMR Legendary Powders has created a line of sophisticated extruded powders utilizing Enduron Technology. Their fine extruded propellant features a unique copper fouling eliminator insensitivity to temperature changes ideal loading density and is environmentally friendly.
The IMR 4451 gives top performance in the venerable 30-06 270 Winchester and 300 Winchester Short Magnum to name just a few. This propellant is ideally suited for many many mid-range burn speed cartridges.
