The best I can do for you is at Dangerous Dave's, the Old Western Scrounger. No brass, but he has loaded ammo and a set of case forming dies (from .357 Magnum) at less than half price. http://www.ows-ammunition.com/cgi-bin....jT;;966
Old Western Scrounger also has .22 Rem Jet brass. Both the .256 WIn and .22 Rem Jet are based on the .357 case. Rem Jet brass can be expanded from .224 necks to .257 easily. Then a light fireforming load and you've blown out the shoulder. This is a bit easier than forming from .357 which, as I recall, takes three or four steps. Ed
Drifty, On Ebay 1 box of 50 winchester 256 wm brass.
They can be formed form 357 mag brass by running into
256 FL sizer die in stages, do not try to form in one pass.
Use new brass (no nickel plated) you will lose a few to
wrinkles. Fire form the good ones with light charges of
fast powder and some kind of filler, trim to length and you
may have to turn necks or inside ream, it depends on
chamber of gun.
It's a litle work, but worth the effert.
Hope this helps
I thought I would update this thread, since i'm resurrecting a M62 Marlin.
Polish up the bullet seating die internals with some flitz and use it for the first form die minus the seating stem of course. Full length size in the appropriate die and you're good to go. Bare brass cases are 99-100% no failure. Easier then you think. Brass shows up from time to time on ebay and new brass with proper head stamp is available at the below link.
Check neck thickness on formed brass. My chamber is very tight.
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