Winchester 296 is a handgun powder for big loads. The high loading density provides an ideal solution for loading 357 Magnum, 44 Magnum, and even the 410-bore shotshell. For 410-bore AA charges, Winchester 296 is further recommended.
For Winchester plant-charged munitions 357 Magnum, 444 Magnum, and 410 Bore, this propellant was developed. This propellant Its high density of loading offers optimum speed. 296 for 410 Bore AA loads is suggested by Winchester.