don't reload 10mm but use Longshot in 357 Sig.
My one and only powder for almost everything handgun is Win 231. May not be as versital as Unique but covers a wide range of calibers and it seems to meter and burn cleaner than Unique.
About the only other powder I use for handgun and light cast bullet loads in milsurp rifle is 2400.
Last edited by sig357fan; 06-22-2012 at 13:26..