I used this to fire form my 6mm Mongoose brass with 87gr Hornady HP's and i'm a little sad that I don't have anymore to fire form, ha. It shot amazing. I did what you did and bought a lb because it was there. Last rifle powder on the shelf at my LGS for some reason. There are plenty of other powders I would pass on well before AA2230.
_________________________
”Self defense is a primary law of nature, which no subsequent law of society can abolish; the immediate gift of the Creator, obliges everyone to resist the first approaches of tyranny.”
~Elbridge Gerry