The Lee factory crimp die either does a taper or roll crimp depending on what your crimping some calibers can be had in either a taper or roll crimp. I'm not saying a single die can do both but that dies can be bought in both style crimps. I don't have a catalog handy but I have bought a 45ACP in taper and a 38 SPL in roll. Rifle FCD taper crimp as far as I know.
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