The old Ideal 311329 doesn't get much press nowdays, but maybe it should. Designed for the .30-06, it can be seated with grease grooves well within the cartridge neck, and you can expect flawless magazine
feeding. The accuracy isn't bad, either.
BHN 14 alloy and 15 grains of #2400 produced this 5 shot, 100 yard group. The key to making spitzer designs shoot is to not drive them too fast.