As others have suggested, W748 is a good answer.

It's a very versatile powder.

If you want a more modern, temp stable power etc. I'd consider Hodgdon CFE223.

Last edited by antelope_sniper; 01/25/20.
You didn't use logic or reason to get into this opinion, I cannot use logic or reason to get you out of it.

You cannot over estimate the unimportance of nearly everything. John Maxwell