These checkers feature a 7-hole design and are precision-machined from solid 6061-T6 aircraft-grade aluminum. This high-quality material, combined with the use of actual Clymer reamers, guarantees compatibility with your firearm's chamber. The checkers are specifically engineered to measure the minimum case diameter and the maximum overall length of the ammunition, providing a reliable assessment of its suitability.

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

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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).