Hank welcome to the forum. It's good to have you here. Whether you will be shooting conicals or not will be determined by the rifle. If conicals is what you really want to shoot I would suggest trying some powerbelts, sabertooths, or No Excuse Conicals. Also I would try some maxiball. Maybe one of them might shoot out of your rifle. I don't have a .45 caliber but when I get one it will be a White .451 without a doubt.