CA-FSC Firearm Types and Mechanisms 1 — Questions and Answers
Question 1: What is the primary difference between a semi-automatic pistol and a revolver?
- A semi-automatic uses a magazine while a revolver uses a rotating cylinder (Correct answer)
- A revolver is always more accurate
- A semi-automatic fires multiple rounds per trigger pull
- There is no mechanical difference
Correct answer: A semi-automatic uses a magazine while a revolver uses a rotating cylinder
Semi-automatic pistols feed ammunition from a detachable magazine, while revolvers store rounds in a rotating cylinder that aligns with the barrel.
Question 2: What does 'caliber' refer to in firearms terminology?
- The internal diameter of the gun barrel (Correct answer)
- The weight of the firearm
- The length of the barrel
- The number of rounds a firearm holds
Correct answer: The internal diameter of the gun barrel
Caliber refers to the internal diameter of the gun barrel, which determines what size ammunition the firearm accepts.
Question 3: What is the function of the safety mechanism on a firearm?
- To prevent the firearm from firing when engaged (Correct answer)
- To increase the firing rate
- To improve accuracy
- To reduce recoil
Correct answer: To prevent the firearm from firing when engaged
The safety mechanism is designed to prevent accidental discharge by blocking the firing mechanism when properly engaged.
Question 4: What type of action does a double-action revolver have?
- Both cocking the hammer and releasing it with a single trigger pull (Correct answer)
- Requiring the hammer to be manually cocked before each shot
- Firing two rounds with each trigger pull
- Automatic reloading after each shot
Correct answer: Both cocking the hammer and releasing it with a single trigger pull
A double-action revolver performs two actions with one trigger pull: cocking the hammer and then releasing it to fire.
Question 5: What is a shotgun choke?
- A constriction at the muzzle end that controls the spread of shot pellets (Correct answer)
- A safety device that prevents firing
- A mechanism that loads shells automatically
- The trigger guard on a shotgun
Correct answer: A constriction at the muzzle end that controls the spread of shot pellets
A choke is a tapered constriction at the muzzle end of a shotgun barrel that controls how tightly the shot pattern spreads.
Question 6: Which component of a firearm strikes the primer to ignite the propellant charge?
- Firing pin (Correct answer)
- Trigger guard
- Magazine release
- Barrel crown
Correct answer: Firing pin
The firing pin strikes the primer on the cartridge, creating a spark that ignites the propellant and propels the bullet.
What is the primary difference between a semi-automatic pistol and a revolver?