Np3 coating in Canada

My understand it is just nickle boron. Coating.
We also do professional cerakote, we could not find anyone that would do complete barrels and actions.
Even small parts, once they realized they were gun parts they would not do them
 
I remember hearing about NP3 like 20 years ago but I haven’t heard about since. I figured that other coatings had eclipsed it and it was no longer a thing.
 
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