Since it is important from a safety persepctive
Go, No-Go, and Field Gauges Explained
1. Go Gauge
Purpose: Confirms the chamber is at or above the minimum safe headspace.
Use: With the bolt or action closed gently on a “Go” gauge, the bolt should close fully and without resistance.
Result: If the bolt won’t close, the chamber is too tight—possibly out of spe…
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