I have a Ruger Black Hawk in .45 Colt. I am thinking about loading up some 325 gr JFP. The reloading book I have only goes to 300 gr. Does anyone have data for 325 gr .45 Colt. I'm sure I'll have to use a different powder. I've been pushing 250 Nosler JHP with AA #5. I'm not looking to max out the pressure.