Letter 5004

Help! Need info on Gun Finishing process 

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Hello! Could you help me please? I need a do-it-yourself kind of kit for gun finishing - (the complete process with the chemicals required) Parkerizing or black chromatizing. I want to start this as a hobby because we dont have any access to a gunsmith in my state.

Jonah L Pachuau
- Aizawl, Mizoram, India.


The basic gun finishing process is black oxiding, Jonah. This consists of immersing the cleaned parts into a boiling (about 230 deg F on up) mixture of strong oxidizing salts including sodium hydroxide and nitrites. There are also phosphatizing processes for moving parts, and cold blackening processes that are safer but not as good. Our FAQ on black oxide and cold blackening is a start. Beyond that, you can search the site for many threads of conversation on the subject.


Ted Mooney, P.E. 
finishing.com
Brick, New Jersey

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