Hornady Cartridge Headspace Gauge Bushing 375 Diameter
ID: C375 UPC: 090255704471
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The Hornady Lock-N-Load Headspace Gauge is perfect for measuring from the case-head to the datum line on the case shoulder to allow proper brass resizing for a precise fit with the rifle chamber. Bushing fit the comparator body and attach to calipers with a thumb screw. Can be used with bottleneck cases from 17 caliber through large belted magnums.
Fits: 6mm Remington, 257 Roberts, 25-06 Remington, 7x57mm Mauser, 280 Remington, 30-30 Winchester, 30-06 Springfield, 7.62x39mm Russian, 303 British