EGW .40 S&W 7-Hole Case Gauge Ammo Checker

Chamber checkers are essential tools designed to prevent common firearm issues such as jams, misfires and feeding problems. These malfunctions often occur when ammunition does not meet the required specifications. Chamber checkers are versatile and can be used with both factory-loaded and reloaded ammunition, ensuring that each round complies with the necessary standards before shooting. Our case gauge ammo checkers are precision-engineered from solid 6061-T6 aircraft-grade aluminum, ensuring superior durability and performance in demanding environments Our precision-engineered gauges are meticulously crafted to adhere to the SAAMI minimum specifications, ensuring optimal compatibility and performance across a wide range of applications While certain manufacturers employ standard boring bars for chamber checker production, we utilize authentic Clymer reamers, identical to those used in precision barrel chambering processes Anodized matte black finish for enhanced durability Determines the minimum diameter specification of the case Determines the maximum permissible overall length specification