Hodgdon Retumbo Smokeless Powderhodgdon retumbo powder is Available in 1 lb. and 8 lb. containers.This magnum, extruded powder was designed expressly for the really large overbored cartridges such as the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, 30-378 bullseye powder Weatherby Magnum, etc. Retumbo adds 40-100 fps more velocity to the

IMR 4350 powder is definitely the number one choice for the new short magnums, both equally Remington and Winchester variations. For magnums with light-weight to medium bullet weights, IMR 4350 is the best choice.Hodgdon IMR 4350 can be a smokeless, medium to sluggish burn off magnum, perfect for gentle to medium bullet weights and The brand new sm