The L.E. Wilson Pistol Max Gage for .40 S&W is a precision inspection tool designed to verify loaded pistol cartridges against maximum SAAMI specification dimensions. It provides a quick, repeatable way to check maximum case length, body diameters, and overall loaded round length. Intended for handloaders and for checking purchased factory ammunition, the gauge helps identify dimensional issues that can affect feeding and chambering.
Key Specifications
- Designed for the .40 S&W cartridge.
- Set to maximum SAAMI spec dimensions for loaded pistol cartridges.
- Measures Max Case Length to confirm case trimming and sizing results.
- Measures Max Body Diameters to detect bulges or excessive sizing.
- Measures Max Loaded Round Length for overall cartridge length verification.
- Helps identify common reloading issues such as case bowing, oblong rounds, bulges, and crimps with diagnostic measurements.
- Intended for use with both handloaded and factory-purchased ammunition when checking loaded pistol cartridges.
- Manufactured in the U.S.A.
Compact and straightforward to use, the Pistol Max Gage is a practical addition to any reloader’s tool kit for routine quality checks and troubleshooting. Its focus on maximum SAAMI dimensions gives you a clear reference point for diagnosing dimensional problems and ensuring consistent, safe cartridge geometry before use.








