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So the crimp I put on these was a light taper crimp, as I didn't want to break through the plating with a roll crimp. I used the Lee factory crimp die to do it. I did buy the Lee taper crimp die specifically for the plated bullets, but it seems to shave off a little bit of brass from the edge of the casing so I don't use it...seems like doing that would prematurely weaken the case mouth and decrease the life expectancy of my brass. And yes, you can see an indentation around the bullet, but there's no breakage of the plating. I have no idea how two circumferential grooves will affect the bullet's flight though. Good thing my crimp experiments for this batch is either "crimp" or "no crimp", so at least half of this batch is unmarred by re-seating.
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