purple gun

bflygare@lkdllink.net

July 31, 2011 05:33

Why does a gun that is seldom used and stored in a safe has parts that turn plum in color and is thier any way to prevent it?

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  nmyers

  July 31, 2011 05:41

  Caused by: metallurgy + bluing process + time
  
  A few factory guns are known for this, but more commonly seen on refinished guns.
  
  Sorry, there's no known way to prevent this from happening. But, on certain classic guns like early Ruger Blackhawks, it has little or no effect on value.
  
  I guess it's possible that vacuum sealing new guns in a plastic bag might prevent them from turning plum, but, by the time we know which guns are a problem, it's too late.
  
  Neal

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  Horse Plains Drifter

  July 31, 2011 05:52

  My 45 Blackhawk, purchased in 1977, has turned the most beautiful plum color. I would never consider trying to prevent that happening, it has a "salty" been around look that a new gun just can't have.

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  charliemeyer007

  July 31, 2011 05:53

  I think its the nickle content of the steel and or the blueing salts. Whatever causes it I'll take it over plastic guns.

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  dcs shooters

  July 31, 2011 06:00

  Sometimes it's that the blueing tank is not hot enough.
  Or the silicone from the casting hasn't been washed off good.

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  beantownshootah

  July 31, 2011 09:59

  quote:Originally posted by bflygare@lkdllink.net
  Why does a gun that is seldom used and stored in a safe has parts that turn plum in color and is thier any way to prevent it?
  
  
  It has to do with the bluing, which is one type of iron oxide, chemically converting into a different type of oxide slowly with time.
  
  Some bluing processes, with some metal alloys are more prone to this happening than others.
  
  So far as I know there is no practical way to prevent this.

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  Garth

  July 31, 2011 17:53

  To add to others comments regarding bluing, bluing salts wear out after so many uses. When the salts begin wearing, slight discoloration(splotchyness or pluming) can begin as soon as the metal is out of the tank. The more uses, the worse the discoloration. A master gunsmith never let's it get to this point. However buying new bluing salts is extremely expensive due to hazmat fees costing more than the salts themselves. No thanks to the EPA. Another alphabet agency. Good riddens.

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  DRP-AZ

  July 31, 2011 18:03

  Plum bluing is cool. Sometimes it comes on over time and sometimes, I think it's just a way to get the last parts out of a certain batch of bluing.
  
  I repaired a French pistol and all the smaller parts were plum. It was pretty cool.

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