A useful fine grained medium/slow burning rifle powder for medium sized cartridges such as .308 Winchester and 25-06 Remington. It’s burning rate is close to that of IMR 4064 but its bulk density is higher.
Hodgdon Powder offers the largest selection of quality smokeless propellants for any reloading application. Hodgdon RETUMBO is a magnum 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, … Continued