Power Pistol and HS-6 are the powders that I have had best luck with in .40.
Also in 9MM, .38+P, .45 +P and several others.
But these powders are best used in full power loads. They don't do well in light target loads, IME.
I didn't fight to defend your freedom so you could vote to take away mine.
"A man who has nothing for which he is willing to fight, nothing which is more important than his own personal safety, is a miserable creature and has no chance of being free unless made and kept so by the exertions of better men than himself.
John Stuart Mill."