Clymer No-Go Headspace Gauges - 410 Bore No-Go Gauge

CLYMER NO-GO HEADSPACE GAUGES The Clymer No-Go Headspace Gauges are precision tools designed to help gunsmiths and firearm enthusiasts verify that a firearm's chamber does not exceed the maximum safe headspace dimensions. By identifying excessive chamber length, these gauges prevent potential safety hazards such as case ruptures or misfires, ensuring the firearm operates within the specified tolerances. They are essential during the chambering of new barrels, routine maintenance, or when assessing used firearms for purchase. Key Features: Precision Machining: Each gauge is crafted from high-quality steel and machined to exact SAAMI specifications, ensuring accurate a Mfg: Clymer