i see what you mean yes i thought the neck sizer expanded the hole and when i put a bullet in it seats to length and closes it kind of thing
this is what i managed today from a tikka t3 243 hunter with 75grain sierra hp using straight from thrower averaging 44.9-44.5 grains
http://i57.photobucket.com/albums/g2...psadcafc7e.jpg
the above gave a more accurate group than a set weight and that of a less weight so im pretty happy so far