The Lyman Pro Stainless Single Ammo Checker is a precision single-caliber gauge designed to verify chamber fit of loaded cartridges. It is precision machined from corrosion-resistant stainless steel and produced to minimum SAAMI chamber tolerances. Simply drop a loaded cartridge into the gauge to determine if it will chamber in firearms cut to the same specification. This tool is intended as a final verification step for handloaders, competitive shooters, and range use.
Key Specifications
- Compatible with .223 REM/5.56 NATO cartridges.
- Constructed from corrosion-resistant stainless steel.
- Manufactured to minimum SAAMI chamber tolerances.
- The design is a single-caliber ammo checker.
- Intended use is drop-in chamber fit verification for loaded cartridges.
- Each gauge is clearly marked for caliber.
- Model number is 7705200.
- Common applications include reloading final checks and competition verification.
Reliable and purpose-built, the Lyman Pro Ammo Checker offers a straightforward way to confirm chamber compatibility and help maintain smooth, predictable feeding from reloaded rounds. Its stainless construction and SAAMI-based machining provide durability and consistency for serious reloaders and competitive shooters.
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.




