These micrometer cartridge headspace tools will enable you to set up full-length sizing dies for the precise amount of shoulder bump you wish. Precision Mic gages are initially calibrated on a once-fired case, and the micrometer will read shoulder set back variation from the initial set-up. Each Precision Mic kit also includes a bullet seating depth tool for the initial seater die set-up.


KEY FEATURES

  • The Rcbs precision mic is an indispensable tool for safe and accurate loads that help to extend the life of the brass.
  • The precision mic measures from the datum point on the case shoulder to the base of the cartridge giving the reloader the exact SAAMI tolerance readings.
  • Just a few twists of the precision mic and the chambers headspace and bullet seating depth to 0.001" will be determined.
SKU RC100120LP
Model # R88312
Brand Rcbs
Shipping Weight 0.3000kg

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