L.E. Wilson Expanding Mandrel Sizing Die 6.5mm .263" - EXP-65MD

The L.E. Wilson Expanding Mandrel Die is designed to prepare brass cases for optimal bullet seating by expanding the case neck to slightly under bullet diameter for uniform neck tension. Features stainless-steel construction for durability and interchangeable mandrels (sold separately) to accommodate various calibers. This die ensures consistent neck diameter and seating depth for precision reloading applications.