When I first started reloading .303 with a Lee die set, I could find nothing in the instructions that told me to lube the top of the collet ... but it does say - Quote: 'The neck is sized at the very end of the stroke. It requires considerable force on the press lever.'

So I well leaned onto my old Wamadet, and stripped the thread off the alloy cap on the die top ... just thought it worth mentioning.