A real magnum spherical rifle powder, it is superb with hefty bullets in massive, overbore rifle cartridges. US869 can be a dense propellant that permits the shooter to use sufficient powder to create optimum velocities in cartridges including the 7mm Remington Ultra Magnum, 300 Remington Ultra Magnum, 30-378 Weatherby Magnum and Many others.Hodgdo