Winchester spherical powders are known for theirconsistent burn rates and clean burning characteristicsand are widely used for reloading shotshell,handgun, and rifle ammunition. A true magnum handgun powder, 296 was developed for full loads in 357 Magnumand 44 Magnum, providing high velocities at allowable pressures. Also ideal for 410shotshells, particularly when duplicating Winchester AA loads. Mfg: Winchester