A true magnum spherical rifle powder, it is great with weighty bullets in big, overbore rifle cartridges. US869 is really a dense propellant that permits the shooter to employ plenty of powder to make maximum velocities in cartridges like the 7mm Remington Extremely Magnum, 300 Remington Extremely Magnum, 30-378 Weatherby Magnum and Many others.Sto