EGW 5.56x45mm NATO 7-Hole Cartridge Checker helps prevent firearm malfunctions by verifying that factory and reloaded ammunition are within specification.
Made from 6061 T6 aircraft grade aluminum and uses Clymer reamers for precise measurement of minimum case diameter and maximum overall length.
Anodized in Matte Black, these checkers are a part of the Case Gauges & Headspace Tools category, essential for shooters who prioritize safety and reliability.