to do otherwise will result in a STUCK CASING
FROM THE CALIBER OF QUESTIONS BEING ASKED, I GET THE DISTINCT FEELING THAT SOME OF YOU HAVE NEVER CRACKED THE BOOK OR LOOKED ANY OF THE INFORMATION UP- concepts of PROGRESSIVE RELOADING are EXACTLY THE SAME AS SINGLE STAGE, the ONLY difference is that the CASING IS ADVANCING AUTOMATICALLY instead of you manually advancing it- WITH THE DILLON 550, YOU DON'T EVEN GET THAT FAR- YOU STILL HAVE TO TURN THAT STAR WHEEL TO ADVANCE THE CASING-
you don't have to trim after every firing either- THAT'S IN THE BOOK AS WELL
READ. PEOPLE, READ;