L.E. Wilson Case Length Headspace Gauge 7mm Remington Short Action Ultra Magnum

Overview

The L.E. Wilson Case Length Headspace Gauge is a precision-engineered stainless steel tool designed for 7mm Remington SAUM cartridges. This one-piece, non-adjustable cylinder gauge allows reloaders to accurately check fired and resized cartridge cases for both minimum and maximum headspace and overall trim length, helping to prevent over-sizing and ensure ammunition meets SAAMI specifications. To check headspace, a fired case is inserted into the gauge, and measurements are taken with a depth micrometer or caliper to determine the necessary amount of resizing. Once sized, the gauge is placed on a flat surface with the head facing down to verify if the brass falls within the minimum and maximum trim length limits. This tool is compatible with standard 7/8"-14 threaded presses and is essential for maintaining accuracy during the reloading process.

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