The Lyman Rifle Case Length Headspace Gauge for 7.62×39 offers a straightforward way to inspect resized rifle cases for correct case length and headspace. The gauge accepts a case to confirm it does not exceed maximum or fall below minimum allowable headspace. It also identifies cases with excessive case length that must be removed from service.
Key Specifications
- Intended for caliber 7.62×39 for case length and headspace verification.
- Constructed from METAL as specified by the manufacturer.
- Product type is listed as CASE LENGTH/HEAD SPACE GAUGE.
- Manufacturer-provided overall dimensions are 1.25 X 2.95 X 5.30.
- Recorded height is 1.2500 (manufacturer value).
- Recorded width is 2.9500 (manufacturer value).
- Recorded length is 5.3000 (manufacturer value).
- Finish style is listed as 7.62 x 39mm in the product attributes.
- Functionally designed to inspect case length and headspace after resizing.
- Will identify cases which exceed the maximum allowable case length so they can be removed from service.
This headspace gauge is a practical tool for any handloading bench where consistent case length and safe headspace dimensions matter. Its simple insert-and-check operation fits into routine case inspection workflows and helps maintain safe, reliable ammunition components. For reloaders who prioritize practical, no-nonsense inspection tools, this Lyman gauge provides clear, manufacturer-specified measurements to support responsible reloading practices.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




