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Revolver parts:
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Current Location: Home : Firearms : Juuhoukata Chap. 2-2
Revolvers have seventeen major parts. The first is the frame, which gives the gun its basic shape and to which all the other parts are attatched. Next is the trigger and trigger guard. The trigger, of course, is what we press to fire the weapon. The trigger guard surrounds the trigger and prevents accidental discharges and damage to the trigger. Then there are the hammer and firing pin. The firing pin is what strikes the primer, beginning the ignition process (discussed later). In some guns, the firing pin is physically attatched to the hammer. In others, the hammer strikes the firing pin, which then strikes the primer.
The muzzle is simply the opening at the business end of the barrel. It is where the bullet leaves the gun after being fired. The barrel is that long, hollow tube that the bullet passes through on it's way out of the gun. The breech is the other end of the barrel, where the bullet enters the barrel. At the breech is the forcing cone, the tapered shape of which helps the bullet enter the barrel.
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Revolver parts:
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The sights are the devices by which you aim the gun. The front sight is attatched to the muzzle end of the barrel. The rear sight is usually at the end of the top strap. The cylinder is the barrel shaped part of the revolver that holds the cartridges and revolves to give this type of gun its name. Usually, the cylinder holds 5, 6, or 9 cartridges depending on caliber and manufacturer. Passing through the center of the cylinder is the ejection rod, and attatched to the rear of the ejection rod is the star extractor. You unload a revolver by pressing the ejection rod back; which pushes the star extractor out. The rim of the cartridge head rest on top of the extractor, pulling the cartridges or spent cases out of the cylinder. The cylinder crane holds the cylinder and attatches it to the frame. The crane release releases the latch that holds the crane and cylinder into the gun in its closed position. Pressing it allows the crane to swing free for loading or unloading. Finally, there is the top strap, that part of the frame that passes over the cylinder; and the back strap, where the web of the hand and the palm grip the frame.