Manson Precision Rimmed Cartridge Headspace Gauge - Go Gauge Headspace Gauge Fits .40 Smith & Wesson Steel

MANSON PRECISION RIMMED CARTRIDGE HEADSPACE GAUGE The Manson Precision Rimmed Cartridge Headspace Gauges are essential tools for gunsmiths and firearm enthusiasts, designed to accurately measure the headspace of rimmed cartridges. Proper headspace is crucial for the safe and reliable operation of firearms, and these gauges ensure that your firearm's chamber dimensions are within the specified tolerances. Key Features: Precision Measurement: Crafted to exacting standards, these gauges provide accurate headspace measurements for rimmed cartridges, ensuring optimal firearm performance. Durable Construction: Made from M7 high-speed steel, these gauges are hardened and Mfg: Manson Precision SPECS: M7 high speed steel, in-the-white, hardened.