The Hornady Lock-N-Load Cartridge Gauge allows you to check your cases and ammo to ensure a correct fit in SAAMI chambers. Designed specifically for the .30-30 Winchester (.308 diameter), this precision tool is constructed of carbon steel and built to last. this gauge delivers the accuracy you need to maintain consistent headspace and prevent oversizing or undersizing your brass.
Simply insert the cartridge into the gauge and check if the head of the case is flush with the back of the gauge. One end features a slight groove to help give you an idea of the max and min headspace. These size-specific gauges check all critical dimensions to ensure proper functioning, safety, and reliability. The compact, portable design makes it easy to integrate into your reloading workflow—a quick quality check that takes seconds but ensures confidence in every round.
