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Phosphate Coating and/or Parkerizing Services

Discussion in 'Maintenance & Gunsmithing' started by SLO, Feb 22, 2013.

  1. SLO

    SLO Portland Member

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    Does anyone know of a place to have some small internal parts phosphate coated? Is phosphate the same as parkerizing? I have found conflicting information in the searches I have done. Thanks!
     
  2. coop44

    coop44 Tacoma ,WA Well-Known Member

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    When phosphate coatings were first used for firearms (roughly WW2 I think) it was a zinc phosphate coating, that was refered to as Parkerizing, there is also mangenese phosphate coating currently used on many firearms, most notably on all of the steel parts of AR15's. I have seen the term parkerizing and phosphate coating used for both.

    contrary to the negatives put out there by the "Bubba" coating companies, a phosphate coating is very durable when properly applied and allowed to cure. How often are the steel parts of your ar rusty?
     
  3. eganx

    eganx Kingston WA Active Member

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    I can Manganese phosphate/parkerize your small parts if you don't mind shipping them up to WA.....
     
  4. SLO

    SLO Portland Member

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    They are small parts so that shouldn't be an issue. Do you by chance know whether Sig uses Manganese or Zinc?
     
  5. eganx

    eganx Kingston WA Active Member

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    I do not know what SIG uses.