i am atempting to make the ctgs out of 284 brass and am finding the loaded round to have too large of neck dia (480) and it should be ~476 max ---is neck turning or inside reamin the solution---i have shot/loaded bottle neck ctgs for 50 years but never straight wall ctgs !! any advice will be welcomed and appreciated --- here are pics of the rounds made from 284 but with a bullet in them they are too "fat" to fit--Roger