What kind of press are you using? On my rcbs rockchucker, when I screw my fl seater die in to touch the shell holder, I have to let the ram down and screw the die in another 1/4-1/3 turn in order for the case to be completely full length sized. Some brands of presses (rcbs I know for sure) require a cam over when raising the ram to achieve a proper full length size, some brands of presses don’t.Originally Posted by Mike Gilpin
JTD
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