6mm Creedmoor Ultra Seater Die By Forster Product Overviewoffers the 6mm Creedmoor Ultra Seater Die. The new Ultra Seater Die for the 6mm Creedmoor has all of the benefits of a traditional bench rest die with the addition of a micrometer. The micrometer seating die allows you to very precisely seat the bullet. Specifications and Features: Full sizing of case and neck and shoulder Works well with poly tipped and VLD bullets Non-crimping seating die Easily Adjustable to .0005″