Nitriding?

Arma-Coat (or maybe that's not right... in Edmonton, the fellows name was Barrett I think)? They did a run of Ruger GSR rifles with nitrided stainless that were excellent.

Carbo Nitride (Nitro Carburized?) is what Glock uses on their slides IIRC. It's a good finish.
 
Nitrera Tech out of Surrey is the only company that I know of still doing Liquid Nitriding in Canada. They are excellent to deal with and frequently work with the firearms industry. As to corrosion resistance, its very good stuff.
Do your research to make sure it suits your particular needs, I've not personally had them do a barrel for me. Although I know it's a thing, I'm not sure if liquid or gas nitriding is preferred for that application.
There is a company in Edmonton that does Gas Nitriding although I've not used them.
Regards,
Paul.
 
leelad said:
Nitrera Tech out of Surrey is the only company that I know of still doing Liquid Nitriding in Canada. They are excellent to deal with and frequently work with the firearms industry. As to corrosion resistance, its very good stuff.
Click to expand...
Thanks for the tip on Nitera Tech . I'll contact them and see if they will do a small batch of parts.

Any ideas as to the functional difference between liquid and gas nitriding? Not that it matters to me, just interested in understanding each process.
 
I'm afraid I'm far from qualified to answer the technical differences between gas and liquid nitriding. My experience is limited to the gas nitriding company that I contacted a few years ago telling me they couldn't do 17-4 and recommending Nitrera.
Nitrera has since done 17-4, 416, 4140, and 4340 for me with excellent results.
They are happy to do single pieces as well as large batch quantities.
Regards,
Paul.
 
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