Lee 300 WIN MAG Case Length Gauge is a precise, easy way to trim to length and square the case mouth. Used with the Cutter and Lock Stud.
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WARNING: This product may contain steel alloyed with trace amounts of lead and other elements which are known to the State of California to cause reproductive harm and cancer. For more information, go to www.P65Warnings.ca.gov. To prevent exposure, do not alter the product by welding, grinding, etc.