The Hornady Lock‑N‑Load .17 Cal/.22 Cal rimfire thickness gauge is a precision instrument designed for the accurate measurement of rimfire cartridge thickness. Engineered for use with .17 Cal and .22 Cal cartridges, this gauge ensures consistent performance and reliability in ammunition assessment.

Classifying ammunition based on rim thickness ensures uniform ignition characteristics, thereby enhancing ballistic precision and overall shooting accuracy
This validated methodology is employed by precision marksmen and varmint control specialists
The rimfire gauge seamlessly integrates with your caliper, featuring bushings compatible with most .17 and .22 Cal rimfire ammunition, excluding 17 WSM, for precise measurement and enhanced functionality

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).