The Lyman Ammo Checker Single Caliber for .223 Remington is a purpose-built chamber gauge machined from solid aluminum to verify the chamber fit of both reloaded and factory cartridges. Cut with custom tooling to SAAMI minimum chamber tolerances, the gauge provides a simple pass/fail check: if the cartridge fits the gauge, it should chamber in the firearm. Intended for reloaders, armory technicians, and precision-minded shooters, it supports consistent ammunition preparation and case-checking workflows.
Key Specifications
- This gauge verifies the chamber fit and consistency of ammunition, providing pass/fail chamber checks.
- The part is machined from solid aluminum for durable, repeatable use.
- The size/finish is specified for .223 Remington / 5.56 NATO compatibility.
- The product is cut to SAAMI minimum chamber tolerances with custom tooling.
- Overall dimensions are listed as 1.45 x 1.65 x 7.30 inches.
- The recorded length is 7.3000 inches.
- The recorded width is 1.6500 inches.
- The recorded height is 1.4500 inches.
- Intended function: verifies quality and consistency of reloaded and factory ammunition.
Compact, straightforward, and precisely machined, the Lyman .223 Rem Ammo Checker is a practical tool for reloaders and range technicians who need a quick and reliable chamber-fit check. Its solid-aluminum construction and SAAMI-based tolerancing make it a durable addition to any case-preparation or inspection kit, helping maintain consistent ammunition standards in routine workflows.
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.





