The Brownells .41 Caliber Barrel Chamfering Plug Gauge (plug gauge only) helps you confirm you are cutting the throat chamfer to the correct, accuracy-critical diameter window. It is self-piloted and precision-ground so you can slip the gauge into the barrel throat and see at a glance when you are approaching the optimum range—helping prevent overcutting or undertucking that can hurt accuracy.
Key Features
Self-piloted design for fast, repeatable throat-checking
Precision-ground, hardened, stepped construction for clear minimum/maximum optimum diameter indication
Helps warn you before you go too far during chamfer work
Useful diagnostic tool when troubleshooting accuracy complaints related to throat/chamfer dimensions
Use this .41 caliber plug gauge as part of your chamber and throat setup workflow to keep your barrel chamfers in the accuracy-focused range.
