Frankford Arsenal Cartridge Overall Length Gauge

To determine the optimal overall length (OAL) for any bullet in under two minutes, utilize a cleaning rod and a set of calipers. This straightforward kit includes two clamps that can be easily affixed to any cleaning rod with a diameter of 1/4 inches or less. Begin by inserting the cleaning rod into the bolt face and securing one clamp at the end of the bolt face. Remove the cleaning rod and insert a round into the chamber. Then, position the end of the cleaning rod against the back of the round