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How to Tell If a Bore Is Pitted

The bore of a gun can pit just as easily as the outside of the gun barrel; this is usually the result of age, lack of proper cleaning before storage or both. At the end of each day's use you should unload, clean and lubricate your weapon with a good gun oil that eliminates any moisture residue. A pitted bore is permanently marred and makes the weapon hard to clean and difficult to properly load and fire. Advanced pitting compromises the safety and accuracy of your gun. With the correct methods and tools, checking your gun for pitting is easy.

Things You'll Need

  • �steel wool
  • Gun oil
  • Bore light
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Instructions

    • 1

      Check for rust on the surface of the gun barrel. This may indicate that the bore could have some rust and pitting as well. The first sign of rust is the appearance of faint spots that appear to be under the bluing. Pitting occurs in a later stage when the spots start eating away at the metal beneath the bluing.

    • 2

      Remove the barrel's surface rust with a light coating of gun oil and�0 steel wool. With early rust spots this treatment will eliminate the spots but leave the bluing intact. More advanced rust or pitting cannot be removed without removing the bluing. Advanced surface pitting may be a sign of pitting in the bore. It is a good idea to check inside just to be sure.

    • 3

      Use a bore light to examine the bore of a new gun. This apparatus looks like a flashlight with a curved rod that lets you examine the bore by looking up the muzzle. The bore should be bright and shiny, and the grooves or rifling within the gun should appear sharp. Compare what you have observed with the bore of a gun that you suspect could have issues with pitting. If the bore reveals pitting, raised sections or worn rifling, you may want to pass on purchasing the gun.


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