The 45acp is much easier picking a round than other calibers. Its so easy that hardball can work but considering the performance of modern hollow points, any mentioned above is a better choice. If your 45 pistol needs hard ball to function reliably, then you probably should get another 45.
"I'm a good guy with a gun" What do I care if I give up some freedom or rights?....The Goverment will take care of me. This kind of thinking is now in the majority and it should concern you.
"Ask not what you can do for your country, but what free entitlements you can bleed from your country"