Brownells 45 Caliber Barrel Chamfering Plug Gauge 11-18 Degree

The Brownells 45 Caliber Barrel Chamfering Plug Gauge is a precision gunsmithing tool used to verify the correct chamfer angle and dimensions on handgun barrel throats. Designed for .45 caliber barrels (.451–.454"), this plug gauge checks the 11- to 18-degree chamfer cut for proper fit and geometry. Compatible with universal handgun applications. An essential quality-control tool for gunsmiths performing barrel fitting and chambering work.