Originally Posted by
sigep1764
With my CZ75, it would lead up with anything smaller than 358 sized boolits. Seat a .358 sized boolit and just remove the bell on the case. Then pull the boolit and measure the base of the boolit. It should still be .358. If it is not, get a custom powder thru expander funnel from Lathesmith if you are loading on a Dillon. If loading on another press, you can use a custom expander plug from NOE to use in the Lee Universal Expander Die. Plugs are $6.50 or so and the Lee die can be had for $15 or so.