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 Weatherby Magnum, etc. Retumbo adds 40-100 fps more velocity to these cartridges bu

IMR 4350 powder may be the number one choice for The brand new small magnums, equally Remington and Winchester versions. For magnums with light to medium bullet weights, IMR 4350 is the only option.Hodgdon IMR 4350 can be a smokeless, medium to gradual melt away magnum, great for light-weight to medium bullet weights and The brand new quick magnums