MB,
They do not. The expander ball is about .270 and the last maybe 1/8 inch has distinct shoulder (radiused) that steps it up to .32. RCBS dies made in 1966.
Internet analysis: 1 in a row is a trend, 2 in a row is statistically significant, and 3 in a row is an irrefutable fact
Fools & fanatics are always so certain and wise people are always so questioning