These gauges play an essential role when chambering new barrels, performing routine maintenance or evaluating used firearms for purchase. By using Forster headspace gauges, users can ensure that their firearms operate within safe parameters, thereby enhancing both the longevity and reliability of their equipment.

Precision engineering - expertly machined to stringent SAAMI specifications, these gauges deliver precise measurements to ensure a firearm's chamber adheres to rigorous industry standards
Field gauge - utilized to ascertain the absolute maximum safe headspace, if the bolt closes on this gauge, the firearm is deemed unsafe for operation
A go gauge verifies the minimum chamber dimensions, ensuring that the firearm can safely chamber and discharge a cartridge
No-go gauge - verifies chamber compliance with maximum headspace specifications, ensures the bolt remains open when engaged with this gauge, indicating non-exceedance of tolerances
Constructed from high-grade steel and engineered for durability, these gauges are designed to endure repeated use while maintaining precision

Report incorrect product description

Reviews

Q & A

Retail Stock

Compliance

Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

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).