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Case Gage - 50 BMG


Case Length Gage

Case Gage Depth Micrometer

Quick Overview

Every reloader should know exactly how much your Full Length Sizing Die is pushing back the shoulder. With the NEW Case Gage Depth Micrometer you can do just that! It has never been easier to measure you cases headspace before and after sizing. The Depth Mic allows you to slip the micrometer perfectly over the top of the gage with your case inserted into the gage and take a measurement. Graduations of .001 comes with a Gage Block. One size works for all L.E. Wilson Gages , 50 BMG Gage may not be compatible depending on if you headspace is over max dimension. We are working on a solution for this.

Availability: In stock


Instruction Sheet Case Gage Depth Micrometer


Description Part Number
CG:CG Depth Micrometer CG-MIC

The Case Gage Depth Micrometer is set to a zero of .100" on the scale at our factory.  Because of differences in "feel" and temperature, we include a the Gage Block for you to test "Zero" and to adjust if necessary.  

Here is how to re-zero your Case Gage Depth Micrometer

  1. Loosen set screw on base of Depth Mic
  2. Back out the Micrometer Head and Spindle all the way out and remove.  (There is a spring inside under the cap, be sure not to drop it)
  3. Grab scale portion and turn Clockwise and Counter-Clockwise several times, this will loosen pressure on set screw pad.
  4. Reinstall Micrometer Head and Spindle portion back to zero
  5. Set on top of Gage Block
  6. Turn both Micrometer Head and Scale Clockwise together until spindle bottoms out on top of Gage Block
  7. At this point your zero will be close.
  8. Fine tune by moving scale sleeve clockwise or counterclockwise to set zero.
  9. Tighten set screw

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