No idea yet, and don't think it matters. Details like that should never prevent a project. A Dillon 650 would be great but may settle for a Lee Loadmaster. Either way, a RCBS Bullet feel die at around US$28 should do the trick, or just get a Mr Bulletfeeder die from them.
It could even feed a Lee Pro1000 bullet feeder, just add this at the top of the tube.
Anyway, got the 12v motor wired to a laptop power supply(18v) and nearly got the motor mounted and just need to cut out the rest of the bullet slots.
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