Quick Tip: How to measure and read a dial caliper
Gun Tech Steve Ostrem demonstrates how to measure and properly read a dial caliper.
WARNING: Never attempt to disassemble or reassemble a firearm unless you are absolutely certain that it is empty and unloaded. Visually inspect the chamber, the magazine and firing mechanism to be absolutely certain that no ammunition remains in the firearm. Disassembly and reassembly should follow the manufacturer’s instructions.