Thread: Case lengthening when bump sizing

Originally Posted by ebf

TeRei, it depends on what brand of dies you are using. Some FL dies without an expander would squeeze the neck down so much that the case becomes useless.

I'll repeat my mantra : MEASURE.

The best way to see what a die is actually doing to a case is to measure dimensions before and after.

The best dies. They came in green and are in a strange metal contraption called a T7.