L.E. Wilson Adjustable Case Length Headspace Gauge, 378 Weatherby Magnum Cartridge_338 Norma Magnum 171 Package Quantity 100/Box

171 Package Quantity 100/Box

243 Cal (6mm)

laminated chart showing common datum diameters

268 Sectional Density 0

are of different sizes and shapes

L.E. Wilson Adjustable Case Length Headspace Gauge, 378 Weatherby Magnum Cartridge_338 Norma Magnum 171 Package Quantity 100/BoxLE 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 78" 14 press type full length resizing dies. Headspace of fired rifle cases can quickly and accurately be measured using this tool with a caliper. For Belted Magnums. While the belt provides support for proper headspace, the life of the case will