Hodgdon Hybrid 100V Spherical Rifle Powder is one of the more unique products manufactured by this company. The powder was created by combining spherical powder and extruded propellant technologies. Because of the chemistry associated with spherical powder and the geometry of the extruded propellant the powder provides smooth and easy metering extremely short grains and high energy.As a hybrid product the powder also boasts a burn speed that fits between powders H4350 and H4831 while yielding superior performance for .243 Winchester Super Short Magnum .300 Winchester Magnum .270 Winchester and 7mm Remington Magnum cartridges among others.