Since I choose to load both commercial copper jackets and cast, I use a neck expander. For the time being it's a Lee Universal, but looking at a better option.
Lee Universal (flares only)
Lyman M Die
NOE expander plug (fits in the Lee Universal)
http://noebulletmolds.com/NV/index.php?cPath=88&sort=2a&page=2&osCsid=ahj05al5ng7mfga0hivi8qr9k4
Anyone using the NOE?

Lee Universal (flares only)

Lyman M Die

NOE expander plug (fits in the Lee Universal)
http://noebulletmolds.com/NV/index.php?cPath=88&sort=2a&page=2&osCsid=ahj05al5ng7mfga0hivi8qr9k4
Anyone using the NOE?