L.E. Wilson Case Length Headspace Gauge, 17 Hornet
L.E. Wilson Case Length Headspace Gauges help to resolve the inherent problem of potentially over sizing your bottleneck rifle brass. And the most important use of a cartridge case gauge is for setting up 7⁄8"-14 press type full length resizing dies. Headspace of fired rifle cases can quickly and accurately be measured using this tool with a caliper.
This one piece gauge will check overall length to indicate a need for trimming and datum to head length to assure correct headspace to prevent over sizing.