Another new Enduron Technology extruded powder, 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. Simply scroll through the list of cartridges on the Hodgdon Reloading Data Center,
and see how many of your favorite cartridges are covered with this fine powder. Once the
shooter tries this one in that favorite cartridge, his search is over!