357 Mag to 256 Winchester

A customer asked us to make some custom 256 Winchester ammo for him. This caliber has not been made in over 20 years. The caliber is nothing more than a 357 Mag necked down to 25 caliber. You have to know a few old-fashioned tricks to make it or you will end up wasting 50% of your brass.

Part 1 Video

 

Part 2 Video

 

Left to right – 357 Mag,  bad 256 Win,  good 256 Win

From a 357 Mag to a 256 Winchester. A cool looking round