Wilson - Expanding Mandrels Optics ISSF compliant

ISSF compliant

All Type S (except 17) dies are supplied with both the standard size button and a decapping pin retainer for the advantages and versatility described under our Type S - Bushing Style Neck Sizing Dies

Most gunsmiths chamber a rifle’s headspace between the GO and NOGO dimensions

easily adjustable to

slightly longer OAL and a pointed meplat

Wilson - Expanding Mandrels Optics ISSF compliantThe NEW Wilson Expanding Mandrel Sizing Die. This die is designed to be used on NEW brass cases to prepare the case for the seating operation. Over the past few years we have seen a greater need to run new brass cases over and expanding mandrel to properly prepare them for their first firing. New brass cases are often damaged when shipped in bulk, this die will give you a consistent neck diameter on your cases. With correct neck tension you can expect