Duplicate the factory performance of loads from handgun to rifle and shotgun with Winchester Smokeless Propellant Reloading Powder. The different varieties of Winchester Propellents are specially formulated to provide the clean burning, temperature, flow rates, and velocities reloaders desire for different applications. Developed for 357 Magnum, 444 Magnum, and 410 Bore, 296 features a high loading density that provides peak velocity. Smart choice for home reloaders Duplicates factory performance of Winchester ammo High loading density provides peak velocity Optimal performance in Magnum handgun cartridges Widely accepted as the standard for 410 Bore shotshells