Wilson - Expanding Mandrels Optics easily adjustable to

easily adjustable to

ISSF compliant

Made from American 100% cotton flannel fabric it is finished on both sides for purposes of absorbing foreign matter and residue

This is critical

No need to set the measurement direction

Wilson - Expanding Mandrels Optics easily adjustable toThe 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