Top takeaways

  1. Sinclair Carbide Neck Expander Mandrels are made from solid carbide for better tolerances, lubricity, and resistance to galling.
  2. The mandrels are designed to be .001" smaller than bullet diameter for perfect neck tension and concentricity.
  3. Compatible with the Sinclair Expander Die and Neck Turning Tools, these mandrels are ideal for sizing before neck turning or bullet seating.

Attributes

Caliber: 17 Caliber Diameter (in): 0.171 Delivery weight: 0.026kg

Item details

Made in USA