Winchester 760 Powder In Stock Winchester 760 Powder is a ball powder designed to duplicate the 30-06 Springfield factory load ballistics. With ideal flow characteristics that give 760 an advantage over other propellants with similar burn rates, it is recommended as for 22-250 Remington, 300 Winchester Magnum and 300 WSM. Available in 1 lb, 4 lbs and 8 lbs. containers.
