Description
One piece gage works with bottle necked rimmed and rimless cases. Demonstrates the need for trimming of an individual case. A check of the head space from the datum to allow you set your full length sizer to assure proper shoulder set back. Overworking brass shortens the case life. Note: Does not measure body diameters. This gage is intended to be used with fired cases to determine a basis for full length sizing and trimming.
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