Fig

A. Station 1 - About the Case Gage FIG 71:

To install and adjust a sizing/decapping die you must have a case gage and know how to use it. The sizing die shapes the case. If the case doesn't have the proper shape it won't fit properly in the chamber of the rifle. The purpose of the case gage is to determine whether or not the case has the proper shape, which in turn will tell you if your sizing die is properly adjusted. Note: Case gages are caliber specific.

B. Station 1 - How to use the Case Gage:

The way the case gage works is this: Once you've made a preliminary adjustment to your sizing die drop the sized case all the way into the case gage FIG 72. Look at the base of the case.

Low Step High Step

Low Step High Step

CD Low Step High Step

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