NRA NRA Firearm Inspection & Testing

Question 1

What is the first step a gunsmith should perform when receiving a firearm for service?

Accepted Answer

Visually and physically inspect it to confirm it is unloaded and safe before handling

Answer

Test-fire it immediately

Answer

Disassemble it completely

Answer

Record the serial number and check against stolen firearms records

Question 2

What is a function check and when should it be performed?

Accepted Answer

A systematic test of the firearm's mechanical functions after service to verify proper operation before return to the customer

Answer

A check of the serial number; performed when the firearm is acquired

Answer

A test of the ammunition compatibility; performed at the range

Answer

A visual inspection of the bore; performed before cleaning

Question 3

What does inspecting a firearm for 'timing' mean, particularly in a revolver?

Accepted Answer

Verifying that the cylinder indexes and locks in alignment with the bore as the hammer is cocked

Answer

Checking how long it takes the action to cycle

Answer

Measuring the lock time of the firing pin

Answer

Checking the delay between trigger pull and firing

Question 4

What does a 'go gauge' verify during a headspace check?

Accepted Answer

That the bolt will close fully on the minimum acceptable headspace dimension

Answer

That the headspace is at maximum allowed dimension

Answer

That the headspace exceeds safe limits

Answer

That the barrel is properly torqued

Question 5

What condition is indicated when a firearm fails to close on the NO-GO headspace gauge?

Accepted Answer

The headspace is within safe specifications

Answer

The headspace is dangerously excessive

Answer

The barrel needs to be replaced immediately

Answer

The firing pin is too short

Question 6

What action should a gunsmith take if a firearm closes on the FIELD headspace gauge?

Accepted Answer

The firearm should not be returned to service; it requires barrel or action work to correct excessive headspace

Answer

The firearm is safe to return to the customer

Answer

Polish the chamber and recheck

Answer

Replace the firing pin spring