Make tools, fittings, and small metal pieces used in other products.
Fires small arms weapons at fixed targets to test accuracy of sights and mechanical functions of weapons: Positions target at specified distance. Mounts weapon on tripod, or mechanical rest. Aims weapon and fires series of shots at target. Examines target to determine shot pattern and accuracy of sight. Adjusts sights to attain specified accuracy, using handtools. Examines indentations on cartridge face to detect defective striking of firing pin. Records firing deficiencies on target or tag, and routes gun to repair shop.