Top takeaways

  1. The RCBS Precision Mic Cartridge Headspace Tool allows for precise shoulder bump adjustments when setting up full length sizing dies.
  2. It is calibrated using a once-fired case to measure shoulder set back variations.
  3. The kit includes a bullet seating depth tool for initial seater die setup, enhancing reloading accuracy for 308 Winchester cartridges.

Attributes

Cartridge: 308 Winchester Delivery weight: 0.635kg

Item details

Made in USA