Inspector, Firearms

Examines working parts of guns used in testing ammunition to determine that they are in satisfactory condition to be used for making tests. Examines bore, cartridge chamber, firing-pin hole, and other parts related to functional operation of gun, using precision measuring instruments. Inspects bore of gun for defects, such as scratches, pits, and corrosion, using illuminated periscope. Tests operation of gun for satisfactory action. May assist Gunsmith (any industry) in adjusting test arms.