Hodgdon Retumbo In Stock For Sale (USA) , 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 when compared to other normal magnum powders. Hodgdon Retumbo In Stock For Sale (USA)
In addition, it is an Extreme Powder, making it perfect for big game hunting under all types of conditions.
RETUMBO increases the velocity of these cartridges by 40 to 100 fps. It is also an extremely strong powder, which makes it perfect for hunting large game under all sorts of conditions.
Smokeless Powder Warning: Do not exceed the loads listed in the reloaders handbook.
Mixing two powders, regardless of type, brand, or source, is never a good idea.
Never use a smokeless powder in place of black powder or a replacement for black powder.