If buying only 1 powder First choice is Titegroup then WST for 9mm and .45 (.40 too).
I do use Clay's for .45, but have no problem using either of the above for .45 also. I would not use Clay's for 9mm though.
I do use Clay's for .45, but have no problem using either of the above for .45 also. I would not use Clay's for 9mm though.