Charlie,
The loads are new Remington hulls shortened to 2 & 7/8". They were roll crimped using a $50 table top adjustable speed drill press from TSC, a Ballistics Products Incorporated (BPI) roll crimp tool, and a BPI shell vise.
I played with the vintage roll crimper pictured and it still crimps pretty well if one turns the crank at the correct speed.
With either electric or hand roll crimper the device must be turned at the correct speed. For plastic hulls crimpers work best once they heat up a little.
Respectfully,
Mark
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