Measuring your internal chamber length is one step to ensure you are getting the most accurate cartridge length for your rifle. If you are missing any of the tools needed to measure, we offer them all, together or separately, here.
Copper Creek Cartridge Co. Modified Cases have the case heads drilled and tapped to accept a Hornady OAL Gauge. These cases and gauges are designed for finding the length that a projectile needs to be seated to touch the barrel lands.