Guys, in a post on another forum I read the following:

"One thing that's almost, no, is mandatory, is a case gauge, which allows you to set your sizer die far enough down that you're getting correct headspace."

What is a "case guage"? Is this the correct term for the item he's describing and who sells these?

The correct term for the gizmo in question is "headspace gauge". It allows you to quantify how far back your die pushes your case shoulder - .001 - .002" is about ideal.

They come in various forms, this is one of the more versatile:

http://www.sinclairintl.com/cgi-bin/category.cgi?catego...tem=HK-55&type=store

- mike