The second-generation JP semi-auto case gauge is optimized for semi-automatic rifles and ensures the functionality of your ammunition. If the ammunition fits our gauge, it will fit even a minimum-depth SAAMI chamber without interference.

Precisely calibrated to guarantee optimal performance and reliability in semi-automatic rifle systems
Ensures ammunition compatibility with a minimum-specification SAAMI chamber
Constructed from 416 stainless steel for enhanced wear resistance and increased longevity

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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).