Does the top punch actually fit the bullet nose properly? I long ago chucked the idea of a "form fitting" design and gone over to a nose cavity formed with a 60 degree center drill when I make a top punch. This assures concentric alignment, although it often does leave a little contact ring on the ogive when the alloy is soft. It might not do for slender spire points...I don't cast or shoot them so I can't say.