CA-FSC Firearm Types and Mechanisms 2

Question 1

What distinguishes a semi-automatic pistol from a revolver?

Accepted Answer

A semi-automatic uses a detachable magazine and cycles the action automatically

Answer

Semi-automatic pistols feed from a detachable magazine and use energy from firing to chamber the next round automatically.

Question 2

What is the function of a firearm's extractor?

Accepted Answer

It removes the spent case from the chamber after firing

Answer

The extractor grips the cartridge rim and pulls the spent case out of the chamber after the round is fired.

Question 3

In a double-action revolver, what happens when the trigger is pulled?

Accepted Answer

The hammer cocks and then falls in a single trigger pull

Answer

A double-action revolver both cocks the hammer and releases it with a single continuous trigger pull.

Question 4

What does 'gauge' measure when describing a shotgun?

Accepted Answer

The bore diameter expressed as the number of lead balls of that diameter making one pound

Answer

Shotgun gauge is historically defined as the number of pure lead balls of the bore diameter that together weigh one pound.

Question 5

What type of action ejects a spent shell and chambers a new one by manually sliding the forestock backward and forward?

Accepted Answer

Pump action

Answer

A pump-action (slide-action) firearm cycles by moving the forestock rearward then forward, ejecting the spent case and chambering a fresh round.

CA-FSC (California Firearms Safety Certificates) Practice Test