The Clymer 6.5MM Creedmoor Go Gauge is essential for measuring the chamber length of a rifle, crucial for safety and accuracy when chambering a new barrel or purchasing a used firearm.
Each gauge is clearly etched with "Go" or "No-Go" and the caliber/gauge name for easy identification, and they are made to SAAMI specifications.
The gauges are machined steel and are interchangeable among various calibers that share the same Stock #, with a range that includes various cartridge types.