I don't think It is really what gun they have been shot it, that sometimes demonstrates for a base bulge immediately after sizing. I'd in all probability measure you sizing die and powder funnel. If you do working experience feeding concerns, I’d ensure your feed ramp is very well polished https://9mmbulletreloading30639.bluxeblog.com/70157040/9mm-bullets-for-reloading-an-overview