What are the different parts of a firearm?

Stock

Rifle stock
  • The stock is used to hold the firearm. Serves as a platform for supporting the action and barrel and is held by the shooter

Barrel

Firearms barrel
  • The barrel is the metal tube through which the bullet, shot or slug travels when the cartridge is fired. The Projectile or shot charge in the barrel travels under pressure from burning gunpowder, compressed air or other means.

Action

Firearms action
  • The action is the heart of the firearm.

  • The action contains the moving parts which load and fire the ammunition.

  • The action also ejects the spent case.

Safety

slide-safety
  • The safety is a mechanism used to help prevent the accidental discharge of a firearm.

  • The safety mechanism is designed to block the trigger.

  • A safety does not necessarily block the gun’s firing mechanism.

  • Never depend solely on the safety to prevent a firearm from firing.

Trigger

Shotgun trigger
  • The trigger allows the shooter to initiate the shot.

Trigger guard

Trigger guard
  • A trigger guard is a protective loop surrounding the trigger of a firearm designed to prevent unwanted contact with the trigger.

Muzzle

Muzzle
  • The muzzle is the front end of the barrel. 
  • The part of the barrel from which the projectile emerges.
  • Must always be pointed in a safe direction.

Sight

Rifle sight
  • The sight is a device used to aim the firearm.

  • The sight allows for precise alignment of the firearm with the target.

Barrel stamp

Barrel stamp
  • The barrel stamp is a stamp engraved on the side of the barrel that indicates specific information about the correct ammunition (caliber or gauge) to use for the firearm.

  • Allows you to correctly match ammunition to the firearm.

Other parts of a firearm

Other parts of a firearm
  1. Butt plate
  2. Rear swivel
  3. Front swivel
  4. Small stock
  5. Fore stock
  6. Bolt handle
  7. Chamber

Parts of a handgun

Revolver Action

Parts of a revolver handgun
  1. Front Sight
  2. Barrel
  3. Rear Sight
  4. Hammer
  5. Cylinder Release
  6. Grip
  7. Trigger Guard
  8. Trigger
  9. Cylinder
  10. Ejector Rod
  11. Muzzle

Semi-Automatic Action

Parts of a semiautomatic handgun
  1. Front Sight
  2. Pistol Slide
  3. Rear Sight
  4. Hammer
  5. Thumb Safety
  6. Grip
  7. Magazine
  8. Magazine Release
  9. Trigger Guard
  10. Trigger
  11. Slide Lock
  12. Muzzle