I took a closer look at the pictures you posted, it does appear that the bulge you are seeing may be from the bullet diameter and may not be the result of the crimp action. It would be really easy to tell looking at an actual loaded round, much harder to be sure looking at the pictures. If it is just the bullet diameter expanding the case and the proper taper crimp is in place then you may not actually have an issue. Easiest way to be sure is to put a bullet beside the loaded case and see if the bulge stops exactly where the base of the bullet would stop inside the loaded case. If it doesn't, my earlier comments apply.
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