Lee Precision Undersize Mandrel .241" for Collet Sizing Dies - 90007

This .241" undersize mandrel is designed for use with Lee collet sizing dies for .243 Winchester and 6mm Remington cartridges. The mandrel provides a tighter bullet grip fit compared to standard mandrels, making it suitable for reloaders who prefer enhanced case neck tension. This is an accessory component for reloading equipment.