yep bullet should not be able to even move any into the case with any ammount of finger pressure. This is the method I use and a few others I have talked to use and giving me consistant 0.0018 neck tension take a look
http://ammosmith.com/general-reloadi...sizing-die.php
Doesn't require pushing 25# on the lever to size the neck just normal stroke like full length sizing or seating a bullet