From long ago,the designed process for loading bottleneck rifle cartridges with a two die set in a single stage press,was to lube the cass,The press was equipt with a primer arm and tube priming process.
The lubed case went into the shellholder,upstroke it was sized and decapped,downstroke it was primed.
So it became sized,primed brass n one opertation. It worked prtty well for reloading. But yes,attention had to be paid to the priming.
For some reloaders who progressed to handloaders,They wanted to use a universal decap die,then clean the brass Before running it into the sizer die.
Now you have sizedmlubed,unprimed brass. Not a bad time to tumble in corncob. Clean,dry sized brass.
Yes.I can relax with my RCBS hand priming tool and just prime brass as its own project. And t is true,I do have better priming control.
Clean,sized primed brass!!
Set up the powder measure and seater die.
Charge .inspect level,and seat.
IMO, the decap /vibratory bowl stage leads to naturally batchng operations.
Which makes a hand priming operation reasonable. FWIW,I prefer the RCBS tool to the Lee
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