Mechanism

• action

  The operating part that transmits power to a mechanism; "the piano had a very stiff acti...

• cartridge ejector

  A mechanism in a firearm that ejects the empty shell case after firing.

• cartridge extractor

  A mechanism in a firearm that pulls an empty shell case out of the chamber and...

Also contains

• firearm

  A portable gun; "he wore his firearm in a shoulder holster".

• gunsight

  A sight used for aiming a gun.

• gunlock

  The action that ignites the charge in a firearm.

• air gun

  A gun that propels a projectile by compressed air.

• antiaircraft

  Artillery designed to shoot upward at airplanes.

• cannon

  Heavy gun fired from a tank.

• clip

  A metal frame or container holding cartridges; can be inserted into an automatic gun.

• stock

  The handle of a handgun or the butt end of a rifle or shotgun or part of the support of a...

• cannon

  Heavy automatic gun fired from an airplane.

• muzzle

  The open circular discharging end of a gun.

• trigger

  Lever that activates the firing mechanism of a gun.

• safety lock

  Guard consisting of a locking device that prevents a weapon from being fired.

• barrel

  A tube through which a bullet travels when a gun is fired.

• minute gun

  (military) gun that is discharged once every minute (usually as part of a military f...

• Quaker gun

  A dummy gun or piece of artillery made usually of wood.

• whaling gun

  A gun (or device resembling a gun) for discharging a projectile (especially a harpoon)...

• firing chamber

  Chamber that is the part of a gun that receives the charge.

• gas gun

  A gun that fires gas shells.

• set gun

  A gun that is set to fire on any intruder that comes in contact with the wire that sets...

• breechloader

  A gun that is loaded at the breech.