Lyman Ammo Checker .458 SOCOM - 7833027

The Lyman Ammo Checker is an aluminum gauge designed to verify the quality and consistency of both reloaded and factory ammunition by testing chamber fit. Machined from solid aluminum and cut to SAAMI minimum chamber tolerances, it allows users to simply drop a cartridge into the gauge to confirm it will chamber in their firearm. This single caliber checker is specific to .458 SOCOM.