L.E. Wilson Expanding Mandrel Sizing Die 6mm - EXP-6MD

This expanding mandrel die from L.E. Wilson prepares new brass by expanding the case neck to slightly under bullet diameter for uniform neck tension and consistent seating depth. The die features interchangeable mandrels (sold separately) to accommodate various calibers and is constructed from stainless steel for durability. Designed for precision reloaders who require optimal bullet seating and consistent case preparation.