The Neck/Shoulder Sizing Bushings are designed for Short Action Customs Modular Sizing Dies, specifically for 6.5mm Creedmoor cartridges, to adjust bump and size the neck.
They feature new internal geometry to minimize neck runout and enhance loaded cartridge concentricity in the chamber.
Made from 17-4 H900 stainless steel with a heat treatment for a smooth and slick finish, ensuring durability and consistent performance.